20 ≤ C(36,9,2) ≤ 21

Created by: LJCR

Method of Construction: Simple construction from (37,9,2)

Lower Bound: Schonheim

  1  2  3  4  5  6  7  8  9
  1  2  6  8 10 22 27 28 33
  1  3 12 19 21 22 24 29 32
  1  4  5 11 13 16 21 22 23
  1  7 14 15 17 18 22 25 30
  1  9 20 22 26 31 34 35 36
  2  3 11 16 25 27 30 31 34
  2  4 17 18 19 20 27 30 36
  2  5  9 14 15 21 27 29 32
  2  7 12 13 23 24 26 27 35
  3  5  8 10 17 18 21 26 35
  3 13 14 15 20 23 28 33 36
  4  6 11 14 15 16 19 26 35
  4  8 10 12 14 15 24 31 34
  4 25 26 28 29 30 32 33 35
  5  6 12 20 21 24 25 30 36
  5  7  8 19 21 28 31 33 34
  6 13 17 18 23 29 31 32 34
  7  8 10 11 16 20 29 32 36
  8  9 10 13 19 23 25 28 30
  9 11 12 16 17 18 24 28 33