C(61,21,2) = 12

Created by: Colin Barker

Method of Construction: Constructed from c(v+1,k,t,t)

Lower Bound: Schonheim

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