msd_s2 msd_s2

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

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

2 0
2 0 -> 3

3 0
0 0 -> 5
0 1 -> 1
0 2 -> 2

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

5 1
0 0 -> 3
0 1 -> 4
0 2 -> 2
