{0, 1} {0, 1} 

0 1
0 0 -> 0
1 0 -> 1
0 1 -> 2
1 1 -> 3

1 1
0 1 -> 4

2 0
1 0 -> 5
0 1 -> 6
1 1 -> 7

3 0
0 0 -> 6
1 0 -> 7
0 1 -> 8

4 0
0 0 -> 7
1 0 -> 1

5 0
0 0 -> 9
1 0 -> 2

6 1
0 0 -> 2
1 0 -> 3
1 1 -> 10

7 1
0 0 -> 4
0 1 -> 2
1 1 -> 3

8 0
0 1 -> 3
1 1 -> 11

9 0
1 1 -> 5

10 0
0 1 -> 12
1 1 -> 6

11 0
0 0 -> 8

12 1
1 0 -> 10
