msd_4 msd_3

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

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

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

3 1
0 0 -> 2
1 0 -> 3
2 1 -> 6
2 2 -> 7
3 2 -> 8

4 0
2 0 -> 9
3 0 -> 4
2 1 -> 10
3 1 -> 5
0 2 -> 0
1 2 -> 4
2 2 -> 11

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

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

7 0
2 0 -> 7
3 0 -> 8

8 1
0 0 -> 12
1 0 -> 8
0 1 -> 11
2 1 -> 6
2 2 -> 7
3 2 -> 8

9 0
2 2 -> 9
3 2 -> 4

10 0
2 0 -> 10
3 0 -> 5
1 1 -> 13
2 1 -> 11
0 2 -> 12
1 2 -> 14

11 1
0 0 -> 11

12 0
2 0 -> 12
3 0 -> 8
1 1 -> 13
2 1 -> 11
0 2 -> 12
1 2 -> 14

13 0
2 0 -> 9
3 0 -> 4
2 1 -> 10
3 1 -> 5
1 2 -> 13
2 2 -> 11

14 1
0 0 -> 12
1 0 -> 14
0 1 -> 11