1
7X8=
2
6X4=
3
5X5=
4
4X10=
5
3x8=
6
2x8=
7
2x9=
8
1x7=
9
7x9=
10
6x9=
11
5x9=
12
4x9=
13
7x7=
14
6x8=
15
5x8=
16
4x4=
17
3x4=
18
2x7=
19
7x6=
20