Multiply by
4
4
3x4
12
9x5
45
11x6
66
1x7
7
10x4
40
1x5
5
1x6
6
3x7
21
4x4
16
7x5
35
9x6
54
11x7
77
11x4
44
10x5
50
5x6
30
5x7
35
5x4
20
3x5
15
7x6
42
6x7
42
8x4
32
11x5
55
3x6
18
8x7
56
9x4
36
5x5
25
12x6
72
2x7
14
6x4
24
4x5
20
10x6
60
4x7
28
2x4
8
6x5
30
8x6
48
7x7
49
7x4
28
8x5
40
4x6
24
12x7
84
12x4
48
12x5
60
6x6
36
9x7
63