0 x 2
1 x 2
2 x 2
3 x 2
4 x 2
5 x 2
6 x 2
7 x 2
8 x 2
9 x 2
10 x 2
11 x 2
12 x 2
2 x 0
2 x 1
2 x 3
2 x 4
2 x 5
2 x 6
2 x 7
2 x 8
2 x 9
2 x 10
2 x 11
2 x 12