17 ≤ C(36,10,2) ≤ 18

Created by: LJCR

Method of Construction: Multiple of (18,5,2) covering

Lower Bound: Horsley, Theorem 1, r=4, d=1

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