{0, 1}  msd_fib

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

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

2 1
0 0 -> 4
1 0 -> 5
0 1 -> 6
1 1 -> 6

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

4 0
0 0 -> 0
1 0 -> 1

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

6 1

7 0
0 0 -> 4
1 0 -> 5
0 1 -> 6
1 1 -> 6

8 0
0 0 -> 7
1 0 -> 8
0 1 -> 6
1 1 -> 6
