Multiplication by 2
2 x 4
8
3 x 0
0
5 x 3
15
0 x 10
0
1 x 11
11
12
3 x 3
9
5 x 5
25
4 x 10
11 x 3
33
2 x 8
16
3 x 8
24
5 x 8
40
7 x 10
70
11 x 8
88
2 x 9
18
3 x 9
27
5 x 11
55
10 x 10
100
11 x 10
110
2 x 12
24
3 x 12
36
5 x 12
60
10 x 12
120
11 x 11
121