25 ≤ C(36,8,2) ≤ 27

Created by: LJCR

Method of Construction: Multiple of (18,4,2) covering

Lower Bound: Horsley, Theorem 14a, r=5, d=0

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