gcd-12-11-10-9-8-7-6-5-4-3-2-10123456789101112
-12 12 1 2 3 4 1 6 1 4 3 2 1 12 1 2 3 4 1 6 1 4 3 2 1 12
-11 1 11 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 11 1
-10 2 1 10 1 2 1 2 5 2 1 2 1 10 1 2 1 2 5 2 1 2 1 10 1 2
-9 3 1 1 9 1 1 3 1 1 3 1 1 9 1 1 3 1 1 3 1 1 9 1 1 3
-8 4 1 2 1 8 1 2 1 4 1 2 1 8 1 2 1 4 1 2 1 8 1 2 1 4
-7 1 1 1 1 1 7 1 1 1 1 1 1 7 1 1 1 1 1 1 7 1 1 1 1 1
-6 6 1 2 3 2 1 6 1 2 3 2 1 6 1 2 3 2 1 6 1 2 3 2 1 6
-5 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1
-4 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4
-3 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3
-2 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
3 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 3
4 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4 1 2 1 4
5 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1 1 1 5 1 1
6 6 1 2 3 2 1 6 1 2 3 2 1 6 1 2 3 2 1 6 1 2 3 2 1 6
7 1 1 1 1 1 7 1 1 1 1 1 1 7 1 1 1 1 1 1 7 1 1 1 1 1
8 4 1 2 1 8 1 2 1 4 1 2 1 8 1 2 1 4 1 2 1 8 1 2 1 4
9 3 1 1 9 1 1 3 1 1 3 1 1 9 1 1 3 1 1 3 1 1 9 1 1 3
10 2 1 10 1 2 1 2 5 2 1 2 1 10 1 2 1 2 5 2 1 2 1 10 1 2
11 1 11 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 11 1
12 12 1 2 3 4 1 6 1 4 3 2 1 12 1 2 3 4 1 6 1 4 3 2 1 12