msd_fib

0 0
0 -> 0
1 -> 1

1 1
0 -> 2

2 0
0 -> 3
1 -> 4

3 1
0 -> 5
1 -> 6

4 0
0 -> 3

5 1
0 -> 2
1 -> 7

6 0
0 -> 0

7 1
0 -> 5
