3 x 4
3 x 3
4 x 2
5 x 5
7 x 4
9 x 10
2 x 1
5 x 6
9 x 9
2 x 7
2 x 9
6 x 9
7 x 7
4 x 4
9 x 5
3 x 7
6 x 6
