diff --git a/README.md b/README.md
index 66c23e9..5689715 100644
--- a/README.md
+++ b/README.md
@@ -159,6 +159,40 @@ print(output)
 """
 ```
 
+### 🪄 Merge adjacent cells
+
+```py
+from table2ascii import table2ascii, Merge, PresetStyle
+
+output = table2ascii(
+    header=["#", "G", "Merge", Merge.LEFT, "S"],
+    body=[
+        [1, 5, 6, 200, Merge.LEFT],
+        [2, "E", "Long cell", Merge.LEFT, Merge.LEFT],
+        ["Bonus", Merge.LEFT, Merge.LEFT, "F", "G"],
+    ],
+    footer=["SUM", "100", "200", Merge.LEFT, "300"],
+    style=PresetStyle.double_thin_box,
+    first_col_heading=True,
+)
+
+print(output)
+
+"""
+╔═════╦═════╤═══════╤═════╗
+║  #  ║  G  │ Merge │  S  ║
+╠═════╬═════╪═══╤═══╧═════╣
+║  1  ║  5  │ 6 │   200   ║
+╟─────╫─────┼───┴─────────╢
+║  2  ║  E  │  Long cell  ║
+╟─────╨─────┴───┬───┬─────╢
+║     Bonus     │ F │  G  ║
+╠═════╦═════╤═══╧═══╪═════╣
+║ SUM ║ 100 │  200  │ 300 ║
+╚═════╩═════╧═══════╧═════╝
+"""
+```
+
 ## ⚙️ Options
 
 All parameters are optional.
diff --git a/docs/source/api.rst b/docs/source/api.rst
index b890a84..6b16e63 100644
--- a/docs/source/api.rst
+++ b/docs/source/api.rst
@@ -8,13 +8,20 @@ table2ascii
 
 .. autofunction:: table2ascii
 
-
 Alignment
 ~~~~~~~~~
 
 .. autoenum:: Alignment
     :members:
 
+.. _Merge:
+
+Merge
+~~~~~
+
+.. autoenum:: Merge
+    :members:
+
 PresetStyle
 ~~~~~~~~~~~
 
@@ -51,3 +58,10 @@ Exceptions
 .. autoexception:: table2ascii.exceptions.ColumnWidthTooSmallError
 
 .. autoexception:: table2ascii.exceptions.InvalidAlignmentError
+
+.. autoexception:: table2ascii.exceptions.TableStyleTooLongError
+
+Warnings
+~~~~~~~~
+
+.. autoclass:: table2ascii.exceptions.TableStyleTooShortWarning
diff --git a/docs/source/styles.rst b/docs/source/styles.rst
index 85f3bf1..abb9ddf 100644
--- a/docs/source/styles.rst
+++ b/docs/source/styles.rst
@@ -286,6 +286,29 @@ Preset styles
    ║ 2 ║ 30   40   35   30 ║
    ╚═══╩═══════════════════╝
 
+.. _PresetStyle.double_thin_box:
+
+`double_thin_box`
+~~~~~~~~~~~~~~~~~
+
+.. code-block:: none
+
+   ╔═════╦═════╤═════╤═════╤═════╗
+   ║  #  ║  G  │  H  │  R  │  S  ║
+   ╠═════╬═════╪═════╪═════╪═════╣
+   ║  1  ║ 30  │ 40  │ 35  │ 30  ║
+   ╟─────╫─────┼─────┼─────┼─────╢
+   ║  2  ║ 30  │ 40  │ 35  │ 30  ║
+   ╠═════╬═════╪═════╪═════╪═════╣
+   ║ SUM ║ 130 │ 140 │ 135 │ 130 ║
+   ╚═════╩═════╧═════╧═════╧═════╝
+   
+   ╔═══╦════╤════╤════╤════╗
+   ║ 1 ║ 30 │ 40 │ 35 │ 30 ║
+   ╟───╫────┼────┼────┼────╢
+   ║ 2 ║ 30 │ 40 │ 35 │ 30 ║
+   ╚═══╩════╧════╧════╧════╝
+
 .. _PresetStyle.double_thin_compact:
 
 `double_thin_compact`
diff --git a/docs/source/usage.rst b/docs/source/usage.rst
index 9b43dbd..70f8487 100644
--- a/docs/source/usage.rst
+++ b/docs/source/usage.rst
@@ -59,8 +59,8 @@ Set column widths and alignments
        header=["#", "G", "H", "R", "S"],
        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
        first_col_heading=True,
-       column_widths=[5] * 5,  # [5, 5, 5, 5, 5]
-       alignments=[Alignment.LEFT] + [Alignment.RIGHT] * 4, # First is left, remaining 4 are right
+       column_widths=[5, 5, 5, 5, 5],
+       alignments=[Alignment.LEFT] + [Alignment.RIGHT] * 4,
    )
 
    print(output)
@@ -84,7 +84,7 @@ Use a preset style
    output = table2ascii(
        header=["First", "Second", "Third", "Fourth"],
        body=[["10", "30", "40", "35"], ["20", "10", "20", "5"]],
-       column_widths=[10] * 4,
+       column_widths=[10, 10, 10, 10],
        style=PresetStyle.ascii_box
    )
 
@@ -130,7 +130,7 @@ Check :ref:`TableStyle` for more info.
    output = table2ascii(
        header=["First", "Second", "Third"],
        body=[["10", "30", "40"], ["20", "10", "20"], ["30", "20", "30"]],
-       style=my_style
+       style=my_style,
    )
 
    print(output)
@@ -143,4 +143,41 @@ Check :ref:`TableStyle` for more info.
    |  20   :   10   :  20   |
    |  30   :   20   :  30   |
    *-------'--------'-------*
-   """
\ No newline at end of file
+   """
+
+Merge adjacent cells
+~~~~~~~~~~~~~~~~~~~~
+
+Check :ref:`Merge` for more info.
+
+.. code:: py
+
+    from table2ascii import table2ascii, Merge, PresetStyle
+
+    output = table2ascii(
+        header=["#", "G", "Merge", Merge.LEFT, "S"],
+        body=[
+            [1, 5, 6, 200, Merge.LEFT],
+            [2, "E", "Long cell", Merge.LEFT, Merge.LEFT],
+            ["Bonus", Merge.LEFT, Merge.LEFT, "F", "G"],
+        ],
+        footer=["SUM", "100", "200", Merge.LEFT, "300"],
+        style=PresetStyle.double_thin_box,
+        first_col_heading=True,
+    )
+
+    print(output)
+
+    """
+    ╔═════╦═════╤═══════╤═════╗
+    ║  #  ║  G  │ Merge │  S  ║
+    ╠═════╬═════╪═══╤═══╧═════╣
+    ║  1  ║  5  │ 6 │   200   ║
+    ╟─────╫─────┼───┴─────────╢
+    ║  2  ║  E  │  Long cell  ║
+    ╟─────╨─────┴───┬───┬─────╢
+    ║     Bonus     │ F │  G  ║
+    ╠═════╦═════╤═══╧═══╪═════╣
+    ║ SUM ║ 100 │  200  │ 300 ║
+    ╚═════╩═════╧═══════╧═════╝
+    """
diff --git a/table2ascii/__init__.py b/table2ascii/__init__.py
index 22854b3..aade353 100644
--- a/table2ascii/__init__.py
+++ b/table2ascii/__init__.py
@@ -3,6 +3,7 @@
 """
 
 from .alignment import Alignment
+from .merge import Merge
 from .preset_style import PresetStyle
 from .table_style import TableStyle
 from .table_to_ascii import table2ascii
@@ -10,8 +11,9 @@
 __version__ = "1.0.0"
 
 __all__ = [
-    "table2ascii",
     "Alignment",
-    "TableStyle",
+    "Merge",
     "PresetStyle",
+    "TableStyle",
+    "table2ascii",
 ]
diff --git a/table2ascii/exceptions.py b/table2ascii/exceptions.py
index efdf177..4af1a26 100644
--- a/table2ascii/exceptions.py
+++ b/table2ascii/exceptions.py
@@ -189,3 +189,54 @@ def _message(self):
             f"Invalid alignment: {self.alignment!r} is not a valid alignment. "
             f"Valid alignments are: {', '.join(a.__repr__() for a in Alignment)}"
         )
+
+
+class TableStyleTooLongError(Table2AsciiError, ValueError):
+    """Exception raised when the number of characters passed in the string
+    for creating the table style exceeds the number of parameters that the
+    table style accepts
+
+    This class is a subclass of :class:`Table2AsciiError` and :class:`ValueError`.
+
+    Attributes:
+        string (str): The string that caused the error
+        max_characters (int): The maximum number of characters that are allowed
+    """
+
+    def __init__(self, string: str, max_characters: int):
+        self.string = string
+        self.max_characters = max_characters
+        super().__init__(self._message())
+
+    def _message(self):
+        return (
+            f"Too many characters for table style: {len(self.string)} characters "
+            f"found, but the maximum number of characters allowed is {self.max_characters}."
+        )
+
+
+class TableStyleTooShortWarning(UserWarning):
+    """Warning raised when the number of characters passed in the string
+    for creating the table style is fewer than the number of parameters
+    that the table style accepts
+
+    This class is a subclass of :class:`UserWarning`.
+
+    It can be silenced using :func:`warnings.filterwarnings`.
+
+    Attributes:
+        string (str): The string that caused the warning
+        max_characters (int): The number of characters that :class:`TableStyle` accepts
+    """
+
+    def __init__(self, string: str, max_characters: int):
+        self.string = string
+        self.max_characters = max_characters
+        super().__init__(self._message())
+
+    def _message(self):
+        return (
+            f"Too few characters for table style: {len(self.string)} characters "
+            f"found, but table styles can accept {self.max_characters} characters. "
+            f"Missing characters will be replaced with spaces."
+        )
diff --git a/table2ascii/merge.py b/table2ascii/merge.py
new file mode 100644
index 0000000..3e8888b
--- /dev/null
+++ b/table2ascii/merge.py
@@ -0,0 +1,43 @@
+from enum import Enum
+
+
+class Merge(Enum):
+    """Enum for merging table cells
+
+    Using :attr:`Merge.LEFT` in a table cell will merge the cell it is used in
+    with the cell to its left.
+
+    In the case that the contents of the merged cell are longer than the
+    combined widths of the unmerged cells in the rows above and below,
+    the merged cell will be wrapped onto multiple lines. The ``column_widths``
+    option can be used to control the widths of the unmerged cells.
+
+    Example::
+
+        from table2ascii import table2ascii, Merge, PresetStyle
+
+        table2ascii(
+            header=["Name", "Price", "Category", "Stock"],
+            body=[["Milk", "$2.99", "N/A", Merge.LEFT]],
+            footer=["Description", "Milk is a nutritious beverage", Merge.LEFT, Merge.LEFT],
+            style=PresetStyle.double_box,
+        )
+
+        \"\"\"
+        ╔═════════════╦═══════╦══════════╦═══════╗
+        ║    Name     ║ Price ║ Category ║ Stock ║
+        ╠═════════════╬═══════╬══════════╩═══════╣
+        ║    Milk     ║ $2.99 ║       N/A        ║
+        ╠═════════════╬═══════╩══════════════════╣
+        ║ Description ║   Milk is a nutritious   ║
+        ║             ║         beverage         ║
+        ╚═════════════╩══════════════════════════╝
+        \"\"\"
+
+    .. versionadded:: 1.0.0
+    """
+
+    LEFT = 0
+
+    def __str__(self):
+        return ""
diff --git a/table2ascii/preset_style.py b/table2ascii/preset_style.py
index 486ea1c..d82a0a9 100644
--- a/table2ascii/preset_style.py
+++ b/table2ascii/preset_style.py
@@ -16,33 +16,34 @@ class PresetStyle:
         )
     """
 
-    thin = TableStyle.from_string("┌─┬─┐││ ├─┼─┤├─┼─┤└┴─┘")
-    thin_box = TableStyle.from_string("┌─┬┬┐│││├─┼┼┤├─┼┼┤└┴┴┘")
-    thin_rounded = TableStyle.from_string("╭─┬─╮││ ├─┼─┤├─┼─┤╰┴─╯")
-    thin_compact = TableStyle.from_string("┌─┬─┐││ ├─┼─┤     └┴─┘")
-    thin_compact_rounded = TableStyle.from_string("╭─┬─╮││ ├─┼─┤     ╰┴─╯")
-    thin_thick = TableStyle.from_string("┌─┬─┐││ ┝━┿━┥├─┼─┤└┴─┘")
-    thin_thick_rounded = TableStyle.from_string("╭─┬─╮││ ┝━┿━┥├─┼─┤╰┴─╯")
-    thin_double = TableStyle.from_string("┌─┬─┐││ ╞═╪═╡├─┼─┤└┴─┘")
-    thin_double_rounded = TableStyle.from_string("╭─┬─╮││ ╞═╪═╡├─┼─┤╰┴─╯")
-    thick = TableStyle.from_string("┏━┳━┓┃┃ ┣━╋━┫┣━╋━┫┗┻━┛")
-    thick_box = TableStyle.from_string("┏━┳┳┓┃┃┃┣━╋╋┫┣━╋╋┫┗┻┻┛")
-    thick_compact = TableStyle.from_string("┏━┳━┓┃┃ ┣━╋━┫     ┗┻━┛")
-    double = TableStyle.from_string("╔═╦═╗║║ ╠═╬═╣╠═╬═╣╚╩═╝")
-    double_box = TableStyle.from_string("╔═╦╦╗║║║╠═╬╬╣╠═╬╬╣╚╩╩╝")
-    double_compact = TableStyle.from_string("╔═╦═╗║║ ╠═╬═╣     ╚╩═╝")
-    double_thin_compact = TableStyle.from_string("╔═╦═╗║║ ╟─╫─╢     ╚╩═╝")
-    minimalist = TableStyle.from_string(" ───  │  ━━━  ───  ── ")
-    borderless = TableStyle.from_string("      ┃  ━            ")
-    simple = TableStyle.from_string(" ═    ║  ═            ")
-    ascii = TableStyle.from_string("+-+-+|| +-+-++-+-+++-+")
-    ascii_box = TableStyle.from_string("+-+++|||+-++++-+++++++")
-    ascii_compact = TableStyle.from_string("+-+-+|| +-+-+     ++-+")
-    ascii_double = TableStyle.from_string("+-+-+|| +=+=++-+-+++-+")
-    ascii_minimalist = TableStyle.from_string(" ---  |  ===  ---  -- ")
-    ascii_borderless = TableStyle.from_string("      |  -            ")
-    ascii_simple = TableStyle.from_string(" =    |  =            ")
-    ascii_rounded = TableStyle.from_string(r"/===\|| |=|=||-|-|\|=/")
-    ascii_rounded_box = TableStyle.from_string(r"/===\||||=||||-|||\||/")
-    markdown = TableStyle.from_string("     ||||-|||         ")
-    plain = TableStyle.from_string("                      ").set(left_and_right_edge="")
+    thin = TableStyle.from_string("┌─┬─┐││ ├─┼─┤├─┼─┤└┴─┘────┬┴┬┴")
+    thin_box = TableStyle.from_string("┌─┬┬┐│││├─┼┼┤├─┼┼┤└┴┴┘┬┴┬┴┬┴┬┴")
+    thin_rounded = TableStyle.from_string("╭─┬─╮││ ├─┼─┤├─┼─┤╰┴─╯────┬┴┬┴")
+    thin_compact = TableStyle.from_string("┌─┬─┐││ ├─┼─┤     └┴─┘  ──  ┬┴")
+    thin_compact_rounded = TableStyle.from_string("╭─┬─╮││ ├─┼─┤     ╰┴─╯  ──  ┬┴")
+    thin_thick = TableStyle.from_string("┌─┬─┐││ ┝━┿━┥├─┼─┤└┴─┘──━━┬┴┯┷")
+    thin_thick_rounded = TableStyle.from_string("╭─┬─╮││ ┝━┿━┥├─┼─┤╰┴─╯──━━┬┴┯┷")
+    thin_double = TableStyle.from_string("┌─┬─┐││ ╞═╪═╡├─┼─┤└┴─┘──══┬┴╤╧")
+    thin_double_rounded = TableStyle.from_string("╭─┬─╮││ ╞═╪═╡├─┼─┤╰┴─╯──══┬┴╤╧")
+    thick = TableStyle.from_string("┏━┳━┓┃┃ ┣━╋━┫┣━╋━┫┗┻━┛━━━━┳┻┳┻")
+    thick_box = TableStyle.from_string("┏━┳┳┓┃┃┃┣━╋╋┫┣━╋╋┫┗┻┻┛┳┻┳┻┳┻┳┻")
+    thick_compact = TableStyle.from_string("┏━┳━┓┃┃ ┣━╋━┫     ┗┻━┛  ━━  ┳┻")
+    double = TableStyle.from_string("╔═╦═╗║║ ╠═╬═╣╠═╬═╣╚╩═╝════╦╩╦╩")
+    double_box = TableStyle.from_string("╔═╦╦╗║║║╠═╬╬╣╠═╬╬╣╚╩╩╝╦╩╦╩╦╩╦╩")
+    double_compact = TableStyle.from_string("╔═╦═╗║║ ╠═╬═╣     ╚╩═╝  ══  ╦╩")
+    double_thin_box = TableStyle.from_string("╔═╦╤╗║║│╠═╬╪╣╟─╫┼╢╚╩╧╝┬┴╤╧╥╨╦╩")
+    double_thin_compact = TableStyle.from_string("╔═╦═╗║║ ╟─╫─╢     ╚╩═╝  ──  ╥╨")
+    minimalist = TableStyle.from_string(" ───  │  ━━━  ───  ── ──━━┬┴┯┷")
+    borderless = TableStyle.from_string("      ┃  ━              ━━  ━━")
+    simple = TableStyle.from_string(" ═    ║  ═              ══  ╦╩")
+    ascii = TableStyle.from_string("+-+-+|| +-+-++-+-+++-+----++++")
+    ascii_box = TableStyle.from_string("+-+++|||+-++++-+++++++++++++++")
+    ascii_compact = TableStyle.from_string("+-+-+|| +-+-+     ++-+  --  --")
+    ascii_double = TableStyle.from_string("+-+-+|| +=+=++-+-+++-+--==--==")
+    ascii_minimalist = TableStyle.from_string(" ---  |  ===  ---  -- --==--==")
+    ascii_borderless = TableStyle.from_string("      |  -              --  --")
+    ascii_simple = TableStyle.from_string(" =    |  =              ==  ==")
+    ascii_rounded = TableStyle.from_string(r"/===\|| |=|=||-|-|\|=/--==--==")
+    ascii_rounded_box = TableStyle.from_string(r"/===\||||=||||-|||\||/--==--==")
+    markdown = TableStyle.from_string("     ||||-|||           --  --")
+    plain = TableStyle.from_string(" " * 30).set(left_and_right_edge="")
diff --git a/table2ascii/table_style.py b/table2ascii/table_style.py
index 53cc4b5..620eb77 100644
--- a/table2ascii/table_style.py
+++ b/table2ascii/table_style.py
@@ -1,11 +1,14 @@
 from dataclasses import dataclass
+import warnings
+
+from .exceptions import TableStyleTooShortWarning, TableStyleTooLongError
 
 
 @dataclass
 class TableStyle:
     """Class for storing information about a table style
 
-    Parts of the table labeled alphabetically:
+    Parts of the table labeled alphabetically from A to V:
 
     .. code-block::
 
@@ -19,12 +22,12 @@ class TableStyle:
         F     G     H     H     H     F
         SBBBBBTBBBBBUBBBBBUBBBBBUBBBBBV
 
-    How the theme is displayed with double thickness for
-    heading rows and columns and thin for normal rows and columns:
+    How the theme is displayed using :ref:`PresetStyle.double_thin_box`
+    as an example:
 
     .. code-block::
 
-        ╔═════╦═════╦═════╦═════╦═════╗
+        ╔═════╦═════╤═════╤═════╤═════╗
         ║  #  ║  G  │  H  │  R  │  S  ║
         ╠═════╬═════╪═════╪═════╪═════╣
         ║  1  ║ 30  │ 40  │ 35  │ 30  ║
@@ -32,7 +35,36 @@ class TableStyle:
         ║  2  ║ 30  │ 40  │ 35  │ 30  ║
         ╠═════╬═════╪═════╪═════╪═════╣
         ║ SUM ║ 130 │ 140 │ 135 │ 130 ║
-        ╚═════╩═════╩═════╩═════╩═════╝
+        ╚═════╩═════╧═════╧═════╧═════╝
+
+    In addition to the parts above, W-Z and the four fields that follow
+    (labeled 0-3) are used for top and bottom edges of merged cells as shown:
+
+    .. code-block::
+
+        ╔══════════════╤══════╤══════╗
+        ║    Header    │      │      ║
+        ╠══════[2]═════╪═════[Z]═════╣
+        ║       ║      │             ║
+        ╟──────[1]─────┼─────────────╢
+        ║              │             ║
+        ╟──────[0]─────┼─────[W]─────╢
+        ║       ║      │      │      ║
+        ╟───────╫──────┼─────[X]─────╢
+        ║       ║      │             ║
+        ╠══════[3]═════╪═════[Y]═════╣
+        ║    Footer    │      │      ║
+        ╚══════════════╧══════╧══════╝
+
+        [W] = ┬ [X] = ┴ [Y] = ╤ [Z] = ╧
+        [0] = ╥ [1] = ╨ [2] = ╦ [3] = ╩
+
+    .. versionchanged:: 1.0.0
+
+        Added fields for edges of merged cells -- ``col_row_top_tee``, ``col_row_bottom_tee``,
+        ``heading_row_top_tee``, ``heading_row_bottom_tee``, ``heading_col_body_row_top_tee``,
+        ``heading_col_body_row_bottom_tee``, ``heading_col_heading_row_top_tee``,
+        ``heading_col_heading_row_bottom_tee``
     """
 
     # parts of the table
@@ -58,11 +90,25 @@ class TableStyle:
     heading_col_bottom_tee: str  # T
     bottom_tee: str  # U
     bottom_right_corner: str  # V
+    col_row_top_tee: str  # W
+    col_row_bottom_tee: str  # X
+    heading_row_top_tee: str  # Y
+    heading_row_bottom_tee: str  # Z
+    heading_col_body_row_top_tee: str  # 0
+    heading_col_body_row_bottom_tee: str  # 1
+    heading_col_heading_row_top_tee: str  # 2
+    heading_col_heading_row_bottom_tee: str  # 3
 
     @classmethod
     def from_string(cls, string: str) -> "TableStyle":
         """Create a TableStyle from a string
 
+        .. versionchanged:: 1.0.0
+
+            The string will be padded on the right with spaces if it is too short
+            and :class:`~table2ascii.exceptions.TableStyleTooLongError` will be
+            raised if it is too long.
+
         Args:
             string: The string to create the TableStyle from
 
@@ -71,8 +117,19 @@ def from_string(cls, string: str) -> "TableStyle":
 
         Example::
 
-            TableStyle.from_string("╔═╦═╗║║ ╟─╫─╢     ╚╩═╝")
+            TableStyle.from_string("╔═╦╤╗║║│╠═╬╪╣╟─╫┼╢╚╩╧╝┬┴╤╧╥╨╦╩")
+
+        Raises:
+            TableStyleTooLongError: If the string is too long
         """
+        num_params = len(cls.__dataclass_fields__)
+        # if the string is too long, raise an error
+        if len(string) > num_params:
+            raise TableStyleTooLongError(string, num_params)
+        # if the string is too short, show a warning and pad it with spaces
+        elif len(string) < num_params:
+            string += " " * (num_params - len(string))
+            warnings.warn(TableStyleTooShortWarning(string, num_params), stacklevel=2)
         return cls(*string)
 
     def set(self, **kwargs) -> "TableStyle":
diff --git a/table2ascii/table_to_ascii.py b/table2ascii/table_to_ascii.py
index fcf8c51..835db3d 100644
--- a/table2ascii/table_to_ascii.py
+++ b/table2ascii/table_to_ascii.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import textwrap
 from math import ceil, floor
 
 from wcwidth import wcswidth
@@ -15,6 +16,7 @@
     InvalidAlignmentError,
     InvalidCellPaddingError,
 )
+from .merge import Merge
 from .options import Options
 from .preset_style import PresetStyle
 from .table_style import TableStyle
@@ -71,6 +73,9 @@ def __init__(
         if self.__cell_padding < 0:
             raise InvalidCellPaddingError(self.__cell_padding)
 
+        # if any row starts with Merge.LEFT, replace it with an empty string
+        self.__fix_rows_beginning_with_merge()
+
     def __count_columns(self) -> int:
         """Get the number of columns in the table based on the provided header, footer, and body lists.
 
@@ -98,13 +103,21 @@ def widest_line(value: SupportsStr) -> int:
             text = str(value)
             return max(self.__str_width(line) for line in text.splitlines()) if len(text) else 0
 
+        def get_column_width(row: list[SupportsStr], column: int) -> int:
+            """Get the width of a cell in a column"""
+            value = row[column]
+            next_value = row[column + 1] if column < self.__columns - 1 else None
+            if value is Merge.LEFT or next_value is Merge.LEFT:
+                return 0
+            return widest_line(value)
+
         column_widths = []
         # get the width necessary for each column
         for i in range(self.__columns):
             # number of characters in column of i of header, each body row, and footer
-            header_size = widest_line(self.__header[i]) if self.__header else 0
-            body_size = max(widest_line(row[i]) for row in self.__body) if self.__body else 0
-            footer_size = widest_line(self.__footer[i]) if self.__footer else 0
+            header_size = get_column_width(self.__header, i) if self.__header else 0
+            body_size = max(get_column_width(row, i) for row in self.__body) if self.__body else 0
+            footer_size = get_column_width(self.__footer, i) if self.__footer else 0
             # get the max and add 2 for padding each side with a space depending on cell padding
             column_widths.append(max(header_size, body_size, footer_size) + self.__cell_padding * 2)
         return column_widths
@@ -134,6 +147,17 @@ def __calculate_column_widths(self, user_column_widths: list[int | None] | None)
                 column_widths[i] = option
         return column_widths
 
+    def __fix_rows_beginning_with_merge(self) -> None:
+        """Fix rows that begin with Merge.LEFT by replacing the cell with an empty string."""
+        if self.__body:
+            for row_index, row in enumerate(self.__body):
+                if row and row[0] == Merge.LEFT:
+                    self.__body[row_index][0] = ""
+        if self.__header and self.__header[0] == Merge.LEFT:
+            self.__header[0] = ""
+        if self.__footer and self.__footer[0] == Merge.LEFT:
+            self.__footer[0] = ""
+
     def __pad(self, cell_value: SupportsStr, width: int, alignment: Alignment) -> str:
         """Pad a string of text to a given width with specified alignment
 
@@ -162,6 +186,33 @@ def __pad(self, cell_value: SupportsStr, width: int, alignment: Alignment) -> st
             return (" " * (width - text_width)) + padded_text
         raise InvalidAlignmentError(alignment)
 
+    def __wrap_long_lines_in_merged_cells(
+        self, row: list[SupportsStr], column_separator: str
+    ) -> list[SupportsStr]:
+        """Wrap long lines in merged cells to the width of the merged cell
+
+        Args:
+            row: The row to wrap cells in
+            column_separator: The column separator between cells
+
+        Returns:
+            The row with long lines wrapped
+        """
+        wrapped_row: list[SupportsStr] = []
+        for col_index, cell in enumerate(row):
+            if cell is Merge.LEFT:
+                wrapped_row.append(cell)
+                continue
+            merged_width = self.__column_widths[col_index]
+            # if the columns to the right are Merge.LEFT, add their width to the padding
+            for other_col_index in range(col_index + 1, self.__columns):
+                if row[other_col_index] is not Merge.LEFT:
+                    break
+                merged_width += self.__column_widths[other_col_index] + len(column_separator)
+            cell = textwrap.fill(str(cell), merged_width - self.__cell_padding * 2)
+            wrapped_row.append(cell)
+        return wrapped_row
+
     def __row_to_ascii(
         self,
         left_edge: str,
@@ -169,6 +220,12 @@ def __row_to_ascii(
         column_separator: str,
         right_edge: str,
         filler: str | list[SupportsStr],
+        previous_content_row: list[SupportsStr] | None = None,
+        next_content_row: list[SupportsStr] | None = None,
+        top_tee: str | None = None,
+        bottom_tee: str | None = None,
+        heading_col_top_tee: str | None = None,
+        heading_col_bottom_tee: str | None = None,
     ) -> str:
         """Assembles a line of text in the ascii table
 
@@ -176,17 +233,26 @@ def __row_to_ascii(
             The line in the ascii table
         """
         output = ""
+        # wrap long lines in merged cells
+        if isinstance(filler, list):
+            filler = self.__wrap_long_lines_in_merged_cells(filler, column_separator)
         # find the maximum number of lines a single cell in the column has (minimum of 1)
         num_lines = max(len(str(cell).splitlines()) for cell in filler) or 1
         # repeat for each line of text in the cell
         for line_index in range(num_lines):
             output += self.__line_in_row_to_ascii(
-                line_index,
-                left_edge,
-                heading_col_sep,
-                column_separator,
-                right_edge,
-                filler,
+                line_index=line_index,
+                left_edge=left_edge,
+                heading_col_sep=heading_col_sep,
+                column_separator=column_separator,
+                right_edge=right_edge,
+                filler=filler,
+                previous_content_row=previous_content_row,
+                next_content_row=next_content_row,
+                top_tee=top_tee,
+                bottom_tee=bottom_tee,
+                heading_col_top_tee=heading_col_top_tee,
+                heading_col_bottom_tee=heading_col_bottom_tee,
             )
         # don't use separation row if it's only space
         if isinstance(filler, str) and output.strip() == "":
@@ -201,6 +267,12 @@ def __line_in_row_to_ascii(
         column_separator: str,
         right_edge: str,
         filler: str | list[SupportsStr],
+        previous_content_row: list[SupportsStr] | None = None,
+        next_content_row: list[SupportsStr] | None = None,
+        top_tee: str | None = None,
+        bottom_tee: str | None = None,
+        heading_col_top_tee: str | None = None,
+        heading_col_bottom_tee: str | None = None,
     ) -> str:
         """Assembles a line of text in the ascii table
 
@@ -211,12 +283,18 @@ def __line_in_row_to_ascii(
         # add columns
         for col_index in range(self.__columns):
             output += self.__line_in_cell_column_to_ascii(
-                line_index,
-                col_index,
-                heading_col_sep,
-                column_separator,
-                right_edge,
-                filler,
+                line_index=line_index,
+                col_index=col_index,
+                heading_col_sep=heading_col_sep,
+                column_separator=column_separator,
+                right_edge=right_edge,
+                filler=filler,
+                previous_content_row=previous_content_row,
+                next_content_row=next_content_row,
+                top_tee=top_tee,
+                bottom_tee=bottom_tee,
+                heading_col_top_tee=heading_col_top_tee,
+                heading_col_bottom_tee=heading_col_bottom_tee,
             )
         output += "\n"
         return output
@@ -229,6 +307,12 @@ def __line_in_cell_column_to_ascii(
         column_separator: str,
         right_edge: str,
         filler: str | list[SupportsStr],
+        previous_content_row: list[SupportsStr] | None = None,
+        next_content_row: list[SupportsStr] | None = None,
+        top_tee: str | None = None,
+        bottom_tee: str | None = None,
+        heading_col_top_tee: str | None = None,
+        heading_col_bottom_tee: str | None = None,
     ) -> str:
         """Assembles a column of text in the ascii table
 
@@ -236,50 +320,100 @@ def __line_in_cell_column_to_ascii(
             The column in the ascii table
         """
         output = ""
-        # content between separators
-        col_content = ""
-        # if filler is a separator character, repeat it for the full width of the column
-        if isinstance(filler, str):
-            col_content = filler * self.__column_widths[col_index]
-        # otherwise, use the text from the corresponding column in the filler list
-        else:
-            # get the text of the current line in the cell
-            # if there are fewer lines in the current cell than others, empty string is used
-            col_lines = str(filler[col_index]).splitlines()
-            if line_index < len(col_lines):
-                col_content = col_lines[line_index]
-            # pad the text to the width of the column using the alignment
-            col_content = self.__pad(
-                col_content,
-                self.__column_widths[col_index],
-                self.__alignments[col_index],
+        col_content = (
+            # if filler is a separator character, repeat it for the full width of the column
+            filler * self.__column_widths[col_index]
+            if isinstance(filler, str)
+            # otherwise, use the text from the corresponding column in the filler list
+            else self.__get_padded_cell_line_content(
+                line_index=line_index,
+                col_index=col_index,
+                column_separator=column_separator,
+                filler=filler,
             )
+        )
         output += col_content
+        # check for merged cells
+        next_value = prev_row_next_value = next_row_next_value = None
+        if col_index < self.__columns - 1:
+            next_value = filler[col_index + 1] if isinstance(filler, list) else None
+            prev_row_next_value = (
+                previous_content_row[col_index + 1] if previous_content_row else None
+            )
+            next_row_next_value = next_content_row[col_index + 1] if next_content_row else None
         # column separator
         sep = column_separator
-        if col_index == 0 and self.__first_col_heading:
-            # use column heading if first column option is specified
-            sep = heading_col_sep
-        elif col_index == self.__columns - 2 and self.__last_col_heading:
-            # use column heading if last column option is specified
+        # handle separators between rows when previous or next row is a merged cell
+        if top_tee and prev_row_next_value is Merge.LEFT:
+            sep = top_tee
+        if bottom_tee and next_row_next_value is Merge.LEFT:
+            sep = bottom_tee
+        if (
+            isinstance(filler, str)
+            and prev_row_next_value in (Merge.LEFT, None)
+            and next_row_next_value in (Merge.LEFT, None)
+        ):
+            sep = filler
+        # use column heading if first or last column option is specified
+        if (col_index == 0 and self.__first_col_heading) or (
+            col_index == self.__columns - 2 and self.__last_col_heading
+        ):
             sep = heading_col_sep
+            # handle separators between rows when previous or next row is a merged cell
+            if heading_col_top_tee and prev_row_next_value is Merge.LEFT:
+                sep = heading_col_top_tee
+            if heading_col_bottom_tee and next_row_next_value is Merge.LEFT:
+                sep = heading_col_bottom_tee
+        # replace last separator with symbol for edge of the row
         elif col_index == self.__columns - 1:
-            # replace last separator with symbol for edge of the row
             sep = right_edge
+        # if this is cell contents and the next column is Merge.LEFT, don't add a separator
+        if next_value is Merge.LEFT:
+            sep = ""
         return output + sep
 
+    def __get_padded_cell_line_content(
+        self, line_index: int, col_index: int, column_separator: str, filler: list[SupportsStr]
+    ) -> str:
+        # If this is a merge cell, merge with the previous column
+        if filler[col_index] is Merge.LEFT:
+            return ""
+        # get the text of the current line in the cell
+        # if there are fewer lines in the current cell than others, empty string is used
+        col_lines = str(filler[col_index]).splitlines()
+        col_content = col_lines[line_index] if line_index < len(col_lines) else ""
+        pad_width = self.__column_widths[col_index]
+        # if the columns to the right are Merge.LEFT, add their width to the padding
+        for other_col_index in range(col_index + 1, self.__columns):
+            if filler[other_col_index] is not Merge.LEFT:
+                break
+            pad_width += self.__column_widths[other_col_index] + len(column_separator)
+        # pad the text to the width of the column using the alignment
+        return self.__pad(
+            cell_value=col_content,
+            width=pad_width,
+            alignment=self.__alignments[col_index],
+        )
+
     def __top_edge_to_ascii(self) -> str:
         """Assembles the top edge of the ascii table
 
         Returns:
             The top edge of the ascii table
         """
+        first_row = self.__body[0] if self.__body else None
+        first_row = self.__header if self.__header else first_row
         return self.__row_to_ascii(
             left_edge=self.__style.top_left_corner,
             heading_col_sep=self.__style.heading_col_top_tee,
             column_separator=self.__style.top_tee,
             right_edge=self.__style.top_right_corner,
             filler=self.__style.top_and_bottom_edge,
+            next_content_row=first_row,
+            top_tee=self.__style.col_row_top_tee,
+            bottom_tee=self.__style.top_and_bottom_edge,
+            heading_col_top_tee=self.__style.heading_col_top_tee,
+            heading_col_bottom_tee=self.__style.top_and_bottom_edge,
         )
 
     def __bottom_edge_to_ascii(self) -> str:
@@ -288,19 +422,26 @@ def __bottom_edge_to_ascii(self) -> str:
         Returns:
             The bottom edge of the ascii table
         """
+        last_row = self.__body[-1] if self.__body else None
+        last_row = self.__footer if self.__footer else last_row
         return self.__row_to_ascii(
             left_edge=self.__style.bottom_left_corner,
             heading_col_sep=self.__style.heading_col_bottom_tee,
             column_separator=self.__style.bottom_tee,
             right_edge=self.__style.bottom_right_corner,
             filler=self.__style.top_and_bottom_edge,
+            previous_content_row=last_row,
+            top_tee=self.__style.top_and_bottom_edge,
+            bottom_tee=self.__style.col_row_bottom_tee,
+            heading_col_top_tee=self.__style.top_and_bottom_edge,
+            heading_col_bottom_tee=self.__style.heading_col_bottom_tee,
         )
 
-    def __heading_row_to_ascii(self, row: list[SupportsStr]) -> str:
-        """Assembles the header or footer row line of the ascii table
+    def __content_row_to_ascii(self, row: list[SupportsStr]) -> str:
+        """Assembles a row of cell values into a single line of the ascii table
 
         Returns:
-            The header or footer row line of the ascii table
+            The row of the ascii table
         """
         return self.__row_to_ascii(
             left_edge=self.__style.left_and_right_edge,
@@ -310,7 +451,11 @@ def __heading_row_to_ascii(self, row: list[SupportsStr]) -> str:
             filler=row,
         )
 
-    def __heading_sep_to_ascii(self) -> str:
+    def __heading_sep_to_ascii(
+        self,
+        previous_content_row: list[SupportsStr] | None = None,
+        next_content_row: list[SupportsStr] | None = None,
+    ) -> str:
         """Assembles the separator below the header or above footer of the ascii table
 
         Returns:
@@ -322,6 +467,12 @@ def __heading_sep_to_ascii(self) -> str:
             column_separator=self.__style.heading_row_cross,
             right_edge=self.__style.heading_row_right_tee,
             filler=self.__style.heading_row_sep,
+            previous_content_row=previous_content_row,
+            next_content_row=next_content_row,
+            top_tee=self.__style.heading_row_top_tee,
+            bottom_tee=self.__style.heading_row_bottom_tee,
+            heading_col_top_tee=self.__style.heading_col_heading_row_top_tee,
+            heading_col_bottom_tee=self.__style.heading_col_heading_row_bottom_tee,
         )
 
     def __body_to_ascii(self, body: list[list[SupportsStr]]) -> str:
@@ -330,23 +481,26 @@ def __body_to_ascii(self, body: list[list[SupportsStr]]) -> str:
         Returns:
             The body of the ascii table
         """
-        separation_row = self.__row_to_ascii(
-            left_edge=self.__style.row_left_tee,
-            heading_col_sep=self.__style.heading_col_row_cross,
-            column_separator=self.__style.col_row_cross,
-            right_edge=self.__style.row_right_tee,
-            filler=self.__style.row_sep,
-        )
-        return separation_row.join(
-            self.__row_to_ascii(
-                left_edge=self.__style.left_and_right_edge,
-                heading_col_sep=self.__style.heading_col_sep,
-                column_separator=self.__style.col_sep,
-                right_edge=self.__style.left_and_right_edge,
-                filler=row,
+        # first content row
+        output = self.__content_row_to_ascii(body[0]) if len(body) else ""
+        for row_index, row in enumerate(body[1:], 1):
+            # separator between rows
+            output += self.__row_to_ascii(
+                left_edge=self.__style.row_left_tee,
+                heading_col_sep=self.__style.heading_col_row_cross,
+                column_separator=self.__style.col_row_cross,
+                right_edge=self.__style.row_right_tee,
+                filler=self.__style.row_sep,
+                previous_content_row=body[row_index - 1],
+                next_content_row=row,
+                top_tee=self.__style.col_row_top_tee,
+                bottom_tee=self.__style.col_row_bottom_tee,
+                heading_col_top_tee=self.__style.heading_col_body_row_top_tee,
+                heading_col_bottom_tee=self.__style.heading_col_body_row_bottom_tee,
             )
-            for row in body
-        )
+            # content row
+            output += self.__content_row_to_ascii(row)
+        return output
 
     def __str_width(self, text: str) -> int:
         """
@@ -375,15 +529,21 @@ def to_ascii(self) -> str:
         table = self.__top_edge_to_ascii()
         # add table header
         if self.__header:
-            table += self.__heading_row_to_ascii(self.__header)
-            table += self.__heading_sep_to_ascii()
+            table += self.__content_row_to_ascii(self.__header)
+            table += self.__heading_sep_to_ascii(
+                previous_content_row=self.__header,
+                next_content_row=self.__body[0] if self.__body else None,
+            )
         # add table body
         if self.__body:
             table += self.__body_to_ascii(self.__body)
         # add table footer
         if self.__footer:
-            table += self.__heading_sep_to_ascii()
-            table += self.__heading_row_to_ascii(self.__footer)
+            table += self.__heading_sep_to_ascii(
+                previous_content_row=self.__body[-1] if self.__body else None,
+                next_content_row=self.__footer,
+            )
+            table += self.__content_row_to_ascii(self.__footer)
         # bottom row of table
         table += self.__bottom_edge_to_ascii()
         # reurn ascii table
@@ -430,7 +590,7 @@ def table2ascii(
             separator. If set to ``0``, the cell content will be flush against the column separator.
             Defaults to ``1``.
         style: Table style to use for styling (preset styles can be imported).
-            Defaults to :ref:`PresetStyle.double_thin_compact <PresetStyle.double_thin_compact>`.
+            Defaults to :ref:`PresetStyle.double_thin_compact`.
         use_wcwidth: Whether to use :func:`wcwidth.wcswidth` to determine the width of each cell instead of
             :func:`len`. The :func:`~wcwidth.wcswidth` function takes into account double-width characters
             (East Asian Wide and East Asian Fullwidth) and zero-width characters (combining characters,
diff --git a/tests/test_merge.py b/tests/test_merge.py
new file mode 100644
index 0000000..3555ce9
--- /dev/null
+++ b/tests/test_merge.py
@@ -0,0 +1,175 @@
+from table2ascii import Alignment, Merge, PresetStyle, table2ascii as t2a
+
+
+def test_merge_all_edges():
+    text = t2a(
+        header=["Header", Merge.LEFT, "A", "B"],
+        body=[
+            ["A", "B", "C", Merge.LEFT],
+            ["D", Merge.LEFT, "E", Merge.LEFT],
+            ["F", "G", "H", "I"],
+            ["J", "K", "L", Merge.LEFT],
+        ],
+        column_widths=[4, 4, None, None],
+        footer=["Footer", Merge.LEFT, "A", "B"],
+        style=PresetStyle.double_thin_box,
+    )
+    expected = (
+        "╔═════════╤═══╤═══╗\n"
+        "║ Header  │ A │ B ║\n"
+        "╠════╤════╪═══╧═══╣\n"
+        "║ A  │ B  │   C   ║\n"
+        "╟────┴────┼───────╢\n"
+        "║    D    │   E   ║\n"
+        "╟────┬────┼───┬───╢\n"
+        "║ F  │ G  │ H │ I ║\n"
+        "╟────┼────┼───┴───╢\n"
+        "║ J  │ K  │   L   ║\n"
+        "╠════╧════╪═══╤═══╣\n"
+        "║ Footer  │ A │ B ║\n"
+        "╚═════════╧═══╧═══╝"
+    )
+    assert text == expected
+
+
+def test_merge_no_header_column():
+    text = t2a(
+        header=["#", "G", "Merge", Merge.LEFT, "S"],
+        body=[
+            [1, 5, 6, 200, Merge.LEFT],
+            [2, "E", "Long cell", Merge.LEFT, Merge.LEFT],
+            ["Bonus", Merge.LEFT, Merge.LEFT, "F", "G"],
+        ],
+        footer=["SUM", "100", "200", Merge.LEFT, "300"],
+        style=PresetStyle.double_thin_box,
+    )
+    expected = (
+        "╔═════╤═════╤═══════╤═════╗\n"
+        "║  #  │  G  │ Merge │  S  ║\n"
+        "╠═════╪═════╪═══╤═══╧═════╣\n"
+        "║  1  │  5  │ 6 │   200   ║\n"
+        "╟─────┼─────┼───┴─────────╢\n"
+        "║  2  │  E  │  Long cell  ║\n"
+        "╟─────┴─────┴───┬───┬─────╢\n"
+        "║     Bonus     │ F │  G  ║\n"
+        "╠═════╤═════╤═══╧═══╪═════╣\n"
+        "║ SUM │ 100 │  200  │ 300 ║\n"
+        "╚═════╧═════╧═══════╧═════╝"
+    )
+    assert text == expected
+
+
+def test_merge_header_column():
+    text = t2a(
+        header=["#", "G", "Merge", Merge.LEFT, "S"],
+        body=[
+            [1, 5, 6, 200, Merge.LEFT],
+            [2, "E", "Long cell", Merge.LEFT, Merge.LEFT],
+            ["Bonus", Merge.LEFT, Merge.LEFT, "F", "G"],
+        ],
+        footer=["SUM", "100", "200", Merge.LEFT, "300"],
+        style=PresetStyle.double_thin_box,
+        first_col_heading=True,
+    )
+    expected = (
+        "╔═════╦═════╤═══════╤═════╗\n"
+        "║  #  ║  G  │ Merge │  S  ║\n"
+        "╠═════╬═════╪═══╤═══╧═════╣\n"
+        "║  1  ║  5  │ 6 │   200   ║\n"
+        "╟─────╫─────┼───┴─────────╢\n"
+        "║  2  ║  E  │  Long cell  ║\n"
+        "╟─────╨─────┴───┬───┬─────╢\n"
+        "║     Bonus     │ F │  G  ║\n"
+        "╠═════╦═════╤═══╧═══╪═════╣\n"
+        "║ SUM ║ 100 │  200  │ 300 ║\n"
+        "╚═════╩═════╧═══════╧═════╝"
+    )
+    assert text == expected
+
+
+def test_merge_line_wrap():
+    text = t2a(
+        header=["Name", "Price", "Category", "Stock", "Sku"],
+        body=[
+            ["test", 443, "test", 67, "test"],
+        ],
+        footer=[
+            "Description",
+            "Long cell value that is merged and wraps to multiple lines",
+            Merge.LEFT,
+            Merge.LEFT,
+            Merge.LEFT,
+        ],
+        alignments=[Alignment.LEFT] * 5,
+        style=PresetStyle.double_thin_box,
+    )
+    expected = (
+        "╔═════════════╤═══════╤══════════╤═══════╤══════╗\n"
+        "║ Name        │ Price │ Category │ Stock │ Sku  ║\n"
+        "╠═════════════╪═══════╪══════════╪═══════╪══════╣\n"
+        "║ test        │ 443   │ test     │ 67    │ test ║\n"
+        "╠═════════════╪═══════╧══════════╧═══════╧══════╣\n"
+        "║ Description │ Long cell value that is merged  ║\n"
+        "║             │ and wraps to multiple lines     ║\n"
+        "╚═════════════╧═════════════════════════════════╝"
+    )
+    assert text == expected
+
+
+def test_merge_compact():
+    text = t2a(
+        header=["Header", Merge.LEFT, "A", "B"],
+        body=[
+            ["A", "B", "C", Merge.LEFT],
+            ["D", Merge.LEFT, "E", Merge.LEFT],
+            ["F", "G", "H", "I"],
+            ["J", "K", "L", Merge.LEFT],
+        ],
+        footer=["Footer", Merge.LEFT, "A", "B"],
+        column_widths=[4, 4, None, None],
+        style=PresetStyle.double_thin_compact,
+        first_col_heading=True,
+    )
+    expected = (
+        "╔═════════════════╗\n"
+        "║ Header    A   B ║\n"
+        "╟────╥────────────╢\n"
+        "║ A  ║ B      C   ║\n"
+        "║    D        E   ║\n"
+        "║ F  ║ G    H   I ║\n"
+        "║ J  ║ K      L   ║\n"
+        "╟────╨────────────╢\n"
+        "║ Footer    A   B ║\n"
+        "╚═════════════════╝"
+    )
+    assert text == expected
+
+
+def test_row_beginning_with_merge():
+    text = t2a(
+        header=[Merge.LEFT, "A", "B", Merge.LEFT],
+        body=[
+            [Merge.LEFT, "A", "B", "C"],
+            [Merge.LEFT, Merge.LEFT, Merge.LEFT, Merge.LEFT],
+            ["F", "G", "H", "I"],
+            ["J", "K", "L", Merge.LEFT],
+        ],
+        footer=[Merge.LEFT, Merge.LEFT, "A", "B"],
+        style=PresetStyle.double_thin_box,
+    )
+    expected = (
+        "╔═══╤═══╤═══════╗\n"
+        "║   │ A │   B   ║\n"
+        "╠═══╪═══╪═══╤═══╣\n"
+        "║   │ A │ B │ C ║\n"
+        "╟───┴───┴───┴───╢\n"
+        "║               ║\n"
+        "╟───┬───┬───┬───╢\n"
+        "║ F │ G │ H │ I ║\n"
+        "╟───┼───┼───┴───╢\n"
+        "║ J │ K │   L   ║\n"
+        "╠═══╧═══╪═══╤═══╣\n"
+        "║       │ A │ B ║\n"
+        "╚═══════╧═══╧═══╝"
+    )
+    assert text == expected
diff --git a/tests/test_styles.py b/tests/test_styles.py
index 422f0c1..9a80323 100644
--- a/tests/test_styles.py
+++ b/tests/test_styles.py
@@ -1,665 +1,109 @@
-from table2ascii import PresetStyle, table2ascii as t2a
+import pytest
 
-
-def test_thin():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin,
-    )
-    expected = (
-        "┌─────┬───────────────────────┐\n"
-        "│  #  │  G     H     R     S  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  1  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "└─────┴───────────────────────┘"
-    )
-    assert text == expected
+from table2ascii import PresetStyle, TableStyle, table2ascii as t2a
+from table2ascii.exceptions import TableStyleTooLongError, TableStyleTooShortWarning
 
 
-def test_thin_box():
-    text = t2a(
+def _build_table_with_style(table_style: TableStyle) -> str:
+    return t2a(
         header=["#", "G", "H", "R", "S"],
         body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
         footer=["SUM", "130", "140", "135", "130"],
         first_col_heading=True,
         last_col_heading=False,
-        style=PresetStyle.thin_box,
+        style=table_style,
     )
-    expected = (
-        "┌─────┬─────┬─────┬─────┬─────┐\n"
-        "│  #  │  G  │  H  │  R  │  S  │\n"
-        "├─────┼─────┼─────┼─────┼─────┤\n"
-        "│  1  │ 30  │ 40  │ 35  │ 30  │\n"
-        "├─────┼─────┼─────┼─────┼─────┤\n"
-        "│  2  │ 30  │ 40  │ 35  │ 30  │\n"
-        "├─────┼─────┼─────┼─────┼─────┤\n"
-        "│ SUM │ 130 │ 140 │ 135 │ 130 │\n"
-        "└─────┴─────┴─────┴─────┴─────┘"
-    )
-    assert text == expected
 
 
-def test_thin_rounded():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_rounded,
-    )
+def test_table_style_from_string():
+    table_style = TableStyle.from_string("╔═╦╤╗║║│╠═╬╪╣╟─╫┼╢╚╩╧╝┬┴╤╧╥╨╦╩")
+    text = _build_table_with_style(table_style)
     expected = (
-        "╭─────┬───────────────────────╮\n"
-        "│  #  │  G     H     R     S  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  1  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "╰─────┴───────────────────────╯"
+        "╔═════╦═════╤═════╤═════╤═════╗\n"
+        "║  #  ║  G  │  H  │  R  │  S  ║\n"
+        "╠═════╬═════╪═════╪═════╪═════╣\n"
+        "║  1  ║ 30  │ 40  │ 35  │ 30  ║\n"
+        "╟─────╫─────┼─────┼─────┼─────╢\n"
+        "║  2  ║ 30  │ 40  │ 35  │ 30  ║\n"
+        "╠═════╬═════╪═════╪═════╪═════╣\n"
+        "║ SUM ║ 130 │ 140 │ 135 │ 130 ║\n"
+        "╚═════╩═════╧═════╧═════╧═════╝"
     )
     assert text == expected
 
 
-def test_thin_compact():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_compact,
-    )
-    expected = (
-        "┌─────┬───────────────────────┐\n"
-        "│  #  │  G     H     R     S  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  1  │ 30    40    35    30  │\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "└─────┴───────────────────────┘"
-    )
-    assert text == expected
+def test_table_style_from_string_too_long_error():
+    with pytest.raises(TableStyleTooLongError):
+        TableStyle.from_string("╔═╦╤╗║║│╠═╬╪╣╟─╫┼╢╚╩╧╝┬┴╤╧╥╨╦╩╦XXXX")
 
 
-def test_thin_compact_rounded():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_compact_rounded,
-    )
+def test_table_style_from_string_too_short():
+    with pytest.warns(TableStyleTooShortWarning):
+        table_style = TableStyle.from_string("╔═╦╤╗║║│╠═╬╪╣╟─╫┼╢")
+    text = _build_table_with_style(table_style)
     expected = (
-        "╭─────┬───────────────────────╮\n"
-        "│  #  │  G     H     R     S  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  1  │ 30    40    35    30  │\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "╰─────┴───────────────────────╯"
+        "╔═════╦═════╤═════╤═════╤═════╗\n"
+        "║  #  ║  G  │  H  │  R  │  S  ║\n"
+        "╠═════╬═════╪═════╪═════╪═════╣\n"
+        "║  1  ║ 30  │ 40  │ 35  │ 30  ║\n"
+        "╟─────╫─────┼─────┼─────┼─────╢\n"
+        "║  2  ║ 30  │ 40  │ 35  │ 30  ║\n"
+        "╠═════╬═════╪═════╪═════╪═════╣\n"
+        "║ SUM ║ 130 │ 140 │ 135 │ 130 ║\n"
+        " ═════ ═════ ═════ ═════ ═════ "
     )
     assert text == expected
 
 
-def test_thin_thick():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_thick,
-    )
+def test_thin():
+    text = _build_table_with_style(PresetStyle.thin)
     expected = (
         "┌─────┬───────────────────────┐\n"
         "│  #  │  G     H     R     S  │\n"
-        "┝━━━━━┿━━━━━━━━━━━━━━━━━━━━━━━┥\n"
+        "├─────┼───────────────────────┤\n"
         "│  1  │ 30    40    35    30  │\n"
         "├─────┼───────────────────────┤\n"
         "│  2  │ 30    40    35    30  │\n"
-        "┝━━━━━┿━━━━━━━━━━━━━━━━━━━━━━━┥\n"
+        "├─────┼───────────────────────┤\n"
         "│ SUM │ 130   140   135   130 │\n"
         "└─────┴───────────────────────┘"
     )
     assert text == expected
 
 
-def test_thin_thick_rounded():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_thick_rounded,
-    )
+def test_thin_box():
+    text = _build_table_with_style(PresetStyle.thin_box)
     expected = (
-        "╭─────┬───────────────────────╮\n"
-        "│  #  │  G     H     R     S  │\n"
-        "┝━━━━━┿━━━━━━━━━━━━━━━━━━━━━━━┥\n"
-        "│  1  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "┝━━━━━┿━━━━━━━━━━━━━━━━━━━━━━━┥\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "╰─────┴───────────────────────╯"
+        "┌─────┬─────┬─────┬─────┬─────┐\n"
+        "│  #  │  G  │  H  │  R  │  S  │\n"
+        "├─────┼─────┼─────┼─────┼─────┤\n"
+        "│  1  │ 30  │ 40  │ 35  │ 30  │\n"
+        "├─────┼─────┼─────┼─────┼─────┤\n"
+        "│  2  │ 30  │ 40  │ 35  │ 30  │\n"
+        "├─────┼─────┼─────┼─────┼─────┤\n"
+        "│ SUM │ 130 │ 140 │ 135 │ 130 │\n"
+        "└─────┴─────┴─────┴─────┴─────┘"
     )
     assert text == expected
 
 
-def test_thin_double():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_double,
-    )
+def test_thin_compact():
+    text = text = _build_table_with_style(PresetStyle.thin_compact)
     expected = (
         "┌─────┬───────────────────────┐\n"
         "│  #  │  G     H     R     S  │\n"
-        "╞═════╪═══════════════════════╡\n"
-        "│  1  │ 30    40    35    30  │\n"
         "├─────┼───────────────────────┤\n"
-        "│  2  │ 30    40    35    30  │\n"
-        "╞═════╪═══════════════════════╡\n"
-        "│ SUM │ 130   140   135   130 │\n"
-        "└─────┴───────────────────────┘"
-    )
-    assert text == expected
-
-
-def test_thin_double_rounded():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thin_double_rounded,
-    )
-    expected = (
-        "╭─────┬───────────────────────╮\n"
-        "│  #  │  G     H     R     S  │\n"
-        "╞═════╪═══════════════════════╡\n"
         "│  1  │ 30    40    35    30  │\n"
-        "├─────┼───────────────────────┤\n"
         "│  2  │ 30    40    35    30  │\n"
-        "╞═════╪═══════════════════════╡\n"
+        "├─────┼───────────────────────┤\n"
         "│ SUM │ 130   140   135   130 │\n"
-        "╰─────┴───────────────────────╯"
-    )
-    assert text == expected
-
-
-def test_thick():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thick,
-    )
-    expected = (
-        "┏━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━┓\n"
-        "┃  #  ┃  G     H     R     S  ┃\n"
-        "┣━━━━━╋━━━━━━━━━━━━━━━━━━━━━━━┫\n"
-        "┃  1  ┃ 30    40    35    30  ┃\n"
-        "┣━━━━━╋━━━━━━━━━━━━━━━━━━━━━━━┫\n"
-        "┃  2  ┃ 30    40    35    30  ┃\n"
-        "┣━━━━━╋━━━━━━━━━━━━━━━━━━━━━━━┫\n"
-        "┃ SUM ┃ 130   140   135   130 ┃\n"
-        "┗━━━━━┻━━━━━━━━━━━━━━━━━━━━━━━┛"
-    )
-    assert text == expected
-
-
-def test_thick_box():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thick_box,
-    )
-    expected = (
-        "┏━━━━━┳━━━━━┳━━━━━┳━━━━━┳━━━━━┓\n"
-        "┃  #  ┃  G  ┃  H  ┃  R  ┃  S  ┃\n"
-        "┣━━━━━╋━━━━━╋━━━━━╋━━━━━╋━━━━━┫\n"
-        "┃  1  ┃ 30  ┃ 40  ┃ 35  ┃ 30  ┃\n"
-        "┣━━━━━╋━━━━━╋━━━━━╋━━━━━╋━━━━━┫\n"
-        "┃  2  ┃ 30  ┃ 40  ┃ 35  ┃ 30  ┃\n"
-        "┣━━━━━╋━━━━━╋━━━━━╋━━━━━╋━━━━━┫\n"
-        "┃ SUM ┃ 130 ┃ 140 ┃ 135 ┃ 130 ┃\n"
-        "┗━━━━━┻━━━━━┻━━━━━┻━━━━━┻━━━━━┛"
-    )
-    assert text == expected
-
-
-def test_thick_compact():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.thick_compact,
-    )
-    expected = (
-        "┏━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━┓\n"
-        "┃  #  ┃  G     H     R     S  ┃\n"
-        "┣━━━━━╋━━━━━━━━━━━━━━━━━━━━━━━┫\n"
-        "┃  1  ┃ 30    40    35    30  ┃\n"
-        "┃  2  ┃ 30    40    35    30  ┃\n"
-        "┣━━━━━╋━━━━━━━━━━━━━━━━━━━━━━━┫\n"
-        "┃ SUM ┃ 130   140   135   130 ┃\n"
-        "┗━━━━━┻━━━━━━━━━━━━━━━━━━━━━━━┛"
-    )
-    assert text == expected
-
-
-def test_double():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.double,
-    )
-    expected = (
-        "╔═════╦═══════════════════════╗\n"
-        "║  #  ║  G     H     R     S  ║\n"
-        "╠═════╬═══════════════════════╣\n"
-        "║  1  ║ 30    40    35    30  ║\n"
-        "╠═════╬═══════════════════════╣\n"
-        "║  2  ║ 30    40    35    30  ║\n"
-        "╠═════╬═══════════════════════╣\n"
-        "║ SUM ║ 130   140   135   130 ║\n"
-        "╚═════╩═══════════════════════╝"
-    )
-    assert text == expected
-
-
-def test_double_box():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.double_box,
-    )
-    expected = (
-        "╔═════╦═════╦═════╦═════╦═════╗\n"
-        "║  #  ║  G  ║  H  ║  R  ║  S  ║\n"
-        "╠═════╬═════╬═════╬═════╬═════╣\n"
-        "║  1  ║ 30  ║ 40  ║ 35  ║ 30  ║\n"
-        "╠═════╬═════╬═════╬═════╬═════╣\n"
-        "║  2  ║ 30  ║ 40  ║ 35  ║ 30  ║\n"
-        "╠═════╬═════╬═════╬═════╬═════╣\n"
-        "║ SUM ║ 130 ║ 140 ║ 135 ║ 130 ║\n"
-        "╚═════╩═════╩═════╩═════╩═════╝"
-    )
-    assert text == expected
-
-
-def test_double_compact():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.double_compact,
-    )
-    expected = (
-        "╔═════╦═══════════════════════╗\n"
-        "║  #  ║  G     H     R     S  ║\n"
-        "╠═════╬═══════════════════════╣\n"
-        "║  1  ║ 30    40    35    30  ║\n"
-        "║  2  ║ 30    40    35    30  ║\n"
-        "╠═════╬═══════════════════════╣\n"
-        "║ SUM ║ 130   140   135   130 ║\n"
-        "╚═════╩═══════════════════════╝"
-    )
-    assert text == expected
-
-
-def test_double_thin_compact():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.double_thin_compact,
-    )
-    expected = (
-        "╔═════╦═══════════════════════╗\n"
-        "║  #  ║  G     H     R     S  ║\n"
-        "╟─────╫───────────────────────╢\n"
-        "║  1  ║ 30    40    35    30  ║\n"
-        "║  2  ║ 30    40    35    30  ║\n"
-        "╟─────╫───────────────────────╢\n"
-        "║ SUM ║ 130   140   135   130 ║\n"
-        "╚═════╩═══════════════════════╝"
-    )
-    assert text == expected
-
-
-def test_minimalist():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.minimalist,
-    )
-    expected = (
-        " ───────────────────────────── \n"
-        "   #  │  G     H     R     S   \n"
-        " ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ \n"
-        "   1  │ 30    40    35    30   \n"
-        " ───────────────────────────── \n"
-        "   2  │ 30    40    35    30   \n"
-        " ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ \n"
-        "  SUM │ 130   140   135   130  \n"
-        " ───────────────────────────── "
-    )
-    assert text == expected
-
-
-def test_borderless():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.borderless,
-    )
-    expected = (
-        "   #  ┃  G     H     R     S   \n"
-        " ━━━━━ ━━━━━ ━━━━━ ━━━━━ ━━━━━ \n"
-        "   1  ┃ 30    40    35    30   \n"
-        "   2  ┃ 30    40    35    30   \n"
-        " ━━━━━ ━━━━━ ━━━━━ ━━━━━ ━━━━━ \n"
-        "  SUM ┃ 130   140   135   130  "
-    )
-    assert text == expected
-
-
-def test_simple():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.simple,
-    )
-    expected = (
-        " ═════ ═════ ═════ ═════ ═════ \n"
-        "   #  ║  G     H     R     S   \n"
-        " ═════ ═════ ═════ ═════ ═════ \n"
-        "   1  ║ 30    40    35    30   \n"
-        "   2  ║ 30    40    35    30   \n"
-        " ═════ ═════ ═════ ═════ ═════ \n"
-        "  SUM ║ 130   140   135   130  \n"
-        " ═════ ═════ ═════ ═════ ═════ "
-    )
-    assert text == expected
-
-
-def test_ascii():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii,
-    )
-    expected = (
-        "+-----+-----------------------+\n"
-        "|  #  |  G     H     R     S  |\n"
-        "+-----+-----------------------+\n"
-        "|  1  | 30    40    35    30  |\n"
-        "+-----+-----------------------+\n"
-        "|  2  | 30    40    35    30  |\n"
-        "+-----+-----------------------+\n"
-        "| SUM | 130   140   135   130 |\n"
-        "+-----+-----------------------+"
-    )
-    assert text == expected
-
-
-def test_ascii_box():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_box,
-    )
-    expected = (
-        "+-----+-----+-----+-----+-----+\n"
-        "|  #  |  G  |  H  |  R  |  S  |\n"
-        "+-----+-----+-----+-----+-----+\n"
-        "|  1  | 30  | 40  | 35  | 30  |\n"
-        "+-----+-----+-----+-----+-----+\n"
-        "|  2  | 30  | 40  | 35  | 30  |\n"
-        "+-----+-----+-----+-----+-----+\n"
-        "| SUM | 130 | 140 | 135 | 130 |\n"
-        "+-----+-----+-----+-----+-----+"
-    )
-    assert text == expected
-
-
-def test_ascii_compact():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_compact,
-    )
-    expected = (
-        "+-----+-----------------------+\n"
-        "|  #  |  G     H     R     S  |\n"
-        "+-----+-----------------------+\n"
-        "|  1  | 30    40    35    30  |\n"
-        "|  2  | 30    40    35    30  |\n"
-        "+-----+-----------------------+\n"
-        "| SUM | 130   140   135   130 |\n"
-        "+-----+-----------------------+"
-    )
-    assert text == expected
-
-
-def test_ascii_double():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_double,
-    )
-    expected = (
-        "+-----+-----------------------+\n"
-        "|  #  |  G     H     R     S  |\n"
-        "+=====+=======================+\n"
-        "|  1  | 30    40    35    30  |\n"
-        "+-----+-----------------------+\n"
-        "|  2  | 30    40    35    30  |\n"
-        "+=====+=======================+\n"
-        "| SUM | 130   140   135   130 |\n"
-        "+-----+-----------------------+"
-    )
-    assert text == expected
-
-
-def test_ascii_minimalist():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_minimalist,
-    )
-    expected = (
-        " ----------------------------- \n"
-        "   #  |  G     H     R     S   \n"
-        " ============================= \n"
-        "   1  | 30    40    35    30   \n"
-        " ----------------------------- \n"
-        "   2  | 30    40    35    30   \n"
-        " ============================= \n"
-        "  SUM | 130   140   135   130  \n"
-        " ----------------------------- "
-    )
-    assert text == expected
-
-
-def test_ascii_borderless():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_borderless,
-    )
-    expected = (
-        "   #  |  G     H     R     S   \n"
-        " ----- ----- ----- ----- ----- \n"
-        "   1  | 30    40    35    30   \n"
-        "   2  | 30    40    35    30   \n"
-        " ----- ----- ----- ----- ----- \n"
-        "  SUM | 130   140   135   130  "
-    )
-    assert text == expected
-
-
-def test_ascii_rounded():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_rounded,
-    )
-    expected = (
-        "/=============================\\\n"
-        "|  #  |  G     H     R     S  |\n"
-        "|=====|=======================|\n"
-        "|  1  | 30    40    35    30  |\n"
-        "|-----|-----------------------|\n"
-        "|  2  | 30    40    35    30  |\n"
-        "|=====|=======================|\n"
-        "| SUM | 130   140   135   130 |\n"
-        "\\=====|=======================/"
-    )
-    assert text == expected
-
-
-def test_ascii_rounded_box():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_rounded_box,
-    )
-    expected = (
-        "/=============================\\\n"
-        "|  #  |  G  |  H  |  R  |  S  |\n"
-        "|=====|=====|=====|=====|=====|\n"
-        "|  1  | 30  | 40  | 35  | 30  |\n"
-        "|-----|-----|-----|-----|-----|\n"
-        "|  2  | 30  | 40  | 35  | 30  |\n"
-        "|=====|=====|=====|=====|=====|\n"
-        "| SUM | 130 | 140 | 135 | 130 |\n"
-        "\\=====|=====|=====|=====|=====/"
-    )
-    assert text == expected
-
-
-def test_ascii_simple():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.ascii_simple,
-    )
-    expected = (
-        " ===== ===== ===== ===== ===== \n"
-        "   #  |  G     H     R     S   \n"
-        " ===== ===== ===== ===== ===== \n"
-        "   1  | 30    40    35    30   \n"
-        "   2  | 30    40    35    30   \n"
-        " ===== ===== ===== ===== ===== \n"
-        "  SUM | 130   140   135   130  \n"
-        " ===== ===== ===== ===== ===== "
-    )
-    assert text == expected
-
-
-def test_markdown():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.markdown,
-    )
-    expected = (
-        "|  #  |  G  |  H  |  R  |  S  |\n"
-        "|-----|-----|-----|-----|-----|\n"
-        "|  1  | 30  | 40  | 35  | 30  |\n"
-        "|  2  | 30  | 40  | 35  | 30  |\n"
-        "|-----|-----|-----|-----|-----|\n"
-        "| SUM | 130 | 140 | 135 | 130 |"
+        "└─────┴───────────────────────┘"
     )
     assert text == expected
 
 
 def test_plain():
-    text = t2a(
-        header=["#", "G", "H", "R", "S"],
-        body=[["1", "30", "40", "35", "30"], ["2", "30", "40", "35", "30"]],
-        footer=["SUM", "130", "140", "135", "130"],
-        first_col_heading=True,
-        last_col_heading=False,
-        style=PresetStyle.plain,
-    )
+    text = _build_table_with_style(PresetStyle.plain)
     expected = (
         "  #     G     H     R     S  \n"
         "  1    30    40    35    30  \n"

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