msd_fib msd_fib

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

1 0
1 0 -> 2

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

3 1
0 0 -> 0
0 1 -> 5
1 1 -> 6

4 0
1 0 -> 7

5 0
1 0 -> 0

6 1

7 0
0 0 -> 3
0 1 -> 4
