msd_4 msd_3

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

1 0
3 0 -> 5
2 1 -> 6
3 1 -> 7
0 2 -> 0
1 2 -> 1
2 2 -> 8

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

3 1
1 0 -> 3

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

5 0
3 0 -> 5
2 1 -> 6
3 1 -> 7
1 2 -> 5
2 2 -> 8

6 0
3 1 -> 5
2 2 -> 6
3 2 -> 7

7 1
0 0 -> 11
1 0 -> 7
0 1 -> 12

8 1
0 0 -> 0
1 0 -> 1
2 0 -> 8
1 1 -> 3

9 0
0 2 -> 11
1 2 -> 13
2 2 -> 9

10 1
0 0 -> 12
2 0 -> 10
3 0 -> 2
3 1 -> 4

11 0
3 1 -> 5
0 2 -> 11
1 2 -> 13
2 2 -> 11
3 2 -> 7

12 1
0 0 -> 12
2 0 -> 12

13 1
0 0 -> 11
1 0 -> 13
2 0 -> 9
0 1 -> 12
2 1 -> 10
3 1 -> 2
3 2 -> 4