Blocks:
  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
  0 1 2 3 7 8 9 12 13 14 15 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
  0 4 5 6 10 16
  0 1 2 3 7
  0 1 2 8 30 32 33
  0 4 5 6 10
  0 1 2 3 13
  2 23 24 25 27 28 29 31 32 33
Cohesion:
  1 2 2 4 3 3 4 3
Parents:
  -1 0 0 1 1 2 1 1
Block graph:
0 1
0 2
1 3
1 4
1 6
1 7
2 5