
{0,1} {0,1}
0 1
0 0 -> 0
0 1 -> 1
1 0 -> 1
1 1 -> 2

1 0
0 0 -> 1
0 1 -> 1
1 0 -> 1
1 1 -> 1

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