C(66,21,2) = 13

Created by: Colin Barker

Method of Construction: Constructed from c(v/3,k/3,t,t)

Lower Bound: Schonheim

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