Addition
 
2 + 1 = 11 + 3 =
1 + 11 = 2 + 4 =
0 + 0 = 10 + 6 =
0 + 6 = 9 + 12 =
8 + 12 = 9 + 10 =
3 + 0 = 0 + 11 =
3 + 2 = 8 + 0 =
6 + 8 = 7 + 10 =
10 + 1 = 6 + 7 =
9 + 12 = 10 + 5 =
9 + 0 = 5 + 10 =
9 + 6 = 1 + 3 =
3 + 3 = 4 + 0 =
12 + 0 = 8 + 11 =
11 + 2 = 3 + 4 =
2 + 8 = 12 + 10 =
6 + 1 = 2 + 7 =
1 + 2 = 6 + 8 =
1 + 4 = 1 + 10 =
4 + 10 = 10 + 4 =
12 + 3 = 0 + 1 =
7 + 1 = 4 + 2 =
7 + 6 = 12 + 4 =
10 + 8 = 4 + 7 =
11 + 2 = 7 + 4 =