C(56,18,2) = 13

Created by: LJCR

Method of Construction: Simple construction from (57,18,2)

Lower Bound: Schonheim

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