Multiply by
3
3
11x3
33
3x4
12
11x6
66
1x7
7
7x10
70
3x3
9
10x4
40
1x6
6
3x7
21
11x10
110
9x3
27
4x4
16
9x6
54
11x7
77
5x10
50
5x3
15
11x4
44
5x6
30
5x7
35
10x10
100
8x3
24
8x4
32
3x6
18
8x7
56
3x10
30
10x3
30
2x4
8
8x6
48
7x7
49
8x10
80