7x7
49
7x3
21
9x6
54
9x9
81
8x8
64
8x3
24
2x3
6
5x5
25
7x5
35
7x8
56
4x4
16
7x9
63
9x2
18
6x6
36
8x4
32
3x3
9
9x8
72