The graph from the Moody-White paper:
Blocks:
  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  0 1 2 3 4 5 6 16 17 18 19 20 21 22
  6 7 8 9 10 11 12 13 14 15
  0 1 2 3 4 5 6
  6 7 10 13
Cohesion:
  1 2 2 5 3
Parents:
  -1 0 0 1 2
Block graph:
0 1
0 2
1 3
2 4
--
Tricky graph, where the separators themselves form a block:
Blocks:
  0 1 2 3 4 5 6 7
  0 1 4 5
  2 3 6 7
  1 2 5 6
Cohesion:
  2 3 3 3
Parents:
  -1 0 0 0
Block graph:
0 1
0 2
0 3
--
The science camp graph from http://intersci.ss.uci.edu/wiki/index.php/Cohesive_blocking
Blocks:
  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
  0 1 2 3
  4 5 6 7 8
  9 10 11 12 13 14
Cohesion:
  2 3 3 3
Parents:
  -1 0 0 0
Block graph:
0 1
0 2
0 3
