msd_2 msd_2 

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

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

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

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

4 0
0 0 -> 2
0 1 -> 2
1 0 -> 6
1 1 -> 7

5 0
0 0 -> 2
0 1 -> 8
1 0 -> 2
1 1 -> 2

6 0
0 0 -> 9
0 1 -> 1
1 0 -> 2
1 1 -> 2

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

8 1
0 0 -> 10
0 1 -> 2
1 0 -> 2
1 1 -> 2

9 0
0 0 -> 6
0 1 -> 11
1 0 -> 2
1 1 -> 3

10 1
0 0 -> 2
0 1 -> 8
1 0 -> 2
1 1 -> 2

11 0
0 0 -> 4
0 1 -> 2
1 0 -> 10
1 1 -> 2

