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