C(58,21,2) = 11

Created by: Jan de Heer and Steve Muir

Method of Construction: Private tools

Lower Bound: Bounds for fixed number of blocks

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