1 x anything
3 x 3
3 x 4
3 x 6
3 x 7
3 x 8
4 x 4
4 x 6
4 x 7
4 x 8
6 x 6
6 x 7
6 x 8
7 x 7
7 x 8
8 x 8
3x4 story
4x4 story
