Frame="lhs" and Rules="groups"

Row 1, Cell 1	Row 1, Cell 2	Row 1, Cell 3
Row 2, Cell 1	Row 2, Cell 2
	Row 3, Cell 2	Row 3, Cell 3
Row 4, Cell 1
Row 5, Cell 1	Row 5, Cell 2	Row 5, Cell 3