1x7
7
4x5=
20
6x8=
48
2x12=
24
4x4=
16
2x6=
12
7x5=
35
7x9=
63
4x12=
5x5=
25
2x9=
18
11x5=
9x4=
36
72
7x7=
49
3x9=
9x5=
45
8x9=
12x9=
108
9x9=
81
3x12=
12x5=
60
8x12=
96
11x12=
132
12x12=
144