C(61,22,2) = 11

Created by: Jan de Heer and Steve Muir

Method of Construction: Private tools

Lower Bound: Bounds for fixed number of blocks

  1  2  6 12 17 21 24 25 26 30 32 34 35 38 39 42 43 49 51 52 54 58
  1  3  8 15 16 17 19 21 23 24 25 28 29 30 33 35 39 41 46 50 52 54
  1  3  8 15 19 23 24 27 34 36 41 42 44 45 47 48 49 51 53 56 59 60
  1  4  5  7  9 10 11 13 14 15 18 20 22 24 31 37 40 41 49 55 57 61
  2  3  5  6  8  9 10 12 15 18 19 22 23 26 32 37 38 41 43 55 58 61
  2  4  6  7 11 12 13 14 20 21 26 27 31 32 35 38 39 40 44 52 57 58
  2  6 12 16 26 28 29 32 33 36 38 45 46 47 48 49 50 53 56 58 59 60
  3  4  7  8 11 13 14 16 19 20 23 28 29 31 33 34 40 42 46 50 51 57
  4  7 11 13 14 17 20 25 30 31 36 40 43 45 47 48 53 54 56 57 59 60
  5  9 10 16 17 18 22 25 27 28 29 30 33 34 37 43 44 46 50 54 55 61
  5  9 10 18 21 22 35 36 37 39 42 45 47 48 51 52 53 55 56 59 60 61