C(68,25,2) = 11

Created by: LJCR

Method of Construction: Simple construction from (69,25,2)

Lower Bound: Bounds for fixed number of blocks

  1  2  5  6  7  9 11 14 16 22 24 30 31 37 40 45 48 52 54 55 57 59 60 61 66
  1  2  9 11 12 14 15 17 19 24 29 33 35 39 43 44 46 51 53 55 56 61 63 66 68
  1  3 12 13 18 19 23 25 28 32 33 35 38 39 41 43 44 46 48 51 53 59 62 64 67
  1  4  8 10 11 15 17 20 21 26 27 29 34 36 42 47 48 49 50 56 58 59 63 65 68
  2  3  4  7  8  9 11 13 18 21 23 24 26 32 34 36 47 49 50 55 58 61 62 65 66
  2  3  9 10 11 13 16 17 18 20 24 25 27 28 30 31 32 38 41 42 55 61 64 66 67
  3  5  6 10 13 14 15 18 22 23 24 27 29 32 37 40 45 52 54 56 57 60 62 63 68
  4  5  6 14 17 21 22 25 26 28 34 36 37 38 41 45 47 49 52 54 57 58 60 64 67
  4  7 10 12 16 19 21 26 27 30 31 33 34 35 36 39 40 43 44 46 47 49 51 53 58
  5  6  8 12 14 19 20 22 33 35 37 39 42 43 44 45 46 50 51 52 53 54 57 60 65
  7  8 15 16 17 20 23 25 27 28 29 30 31 38 40 41 42 50 56 62 63 64 65 67 68