3x Split by 2 (6-column items)
5x Split by 3 (4-column items)
6x Split by 4 (3-column items)
7x Split by 5
8x Split by 6 (2-column items)
9x Split by 7
10x Split by 8
11x Split by 9
12x Split by 10
13x Split by 11
14x Split by 12 (1-column items)