C(58,19,2) = 13

Created by: LJCR

Method of Construction: Simple construction from (59,19,2)

Lower Bound: Schonheim

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