C(67,21,2) = 14

Created by: LJCR

Method of Construction: Simple construction from (68,21,2)

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21
  1  5 10 12 21 22 23 29 33 36 38 41 44 49 50 53 56 58 62 65 66
  1  5 10 12 21 24 25 27 30 32 40 42 46 47 51 54 55 57 63 64 67
  1  5 10 12 21 24 26 28 31 34 35 37 39 43 45 48 52 57 59 60 61
  2  6  7 14 15 16 19 22 26 28 32 34 36 41 44 51 52 60 61 63 65
  2  6 14 15 16 19 23 25 30 42 45 46 47 48 49 56 57 58 59 60 62
  2  6 16 24 27 29 31 33 35 37 38 39 40 43 50 53 54 55 64 66 67
  2  7 11 13 17 20 23 24 31 32 35 37 39 43 49 51 55 56 58 62 63
  3  4  8  9 18 22 24 25 30 31 35 36 37 39 41 42 43 44 46 47 65
  3  4  8  9 18 23 26 27 28 34 40 49 52 54 55 56 58 61 62 64 67
  3  4  8  9 18 25 29 32 33 38 45 48 50 51 53 57 59 60 61 63 66
  7 11 13 17 20 22 27 36 40 41 44 45 48 54 55 57 59 60 64 65 67
  7 11 13 17 20 25 26 28 29 30 33 34 38 42 46 47 50 52 53 61 66
 14 15 19 24 27 29 31 33 35 37 38 39 40 43 50 53 54 55 64 66 67