C(42,16,2) = 10

Created by: Jan de Heer and Steve Muir

Method of Construction: Private tools

Lower Bound: Bounds for fixed number of blocks

  1  2  4  7 14 15 17 21 27 30 31 33 34 37 38 41
  1  3  6  9 10 13 16 20 21 28 29 31 32 36 40 42
  1  4  5  8 12 22 27 28 30 33 36 37 38 39 40 41
  1  5  8 11 12 18 19 21 22 23 24 25 26 31 35 39
  2  3 11 15 18 19 23 24 25 26 28 29 34 35 36 40
  2  5  6  8  9 10 12 13 15 16 20 22 32 34 39 42
  3  4  6  9 11 16 19 27 29 30 32 33 37 38 41 42
  3  5  7  8 10 11 12 13 14 17 19 20 22 29 39 40
  4 10 13 18 20 23 24 25 26 27 30 33 35 37 38 41
  6  7  9 14 16 17 18 23 24 25 26 28 32 35 36 42