12 ≤ C(34,18,3) ≤ 13

Created by: LJCR

Method of Construction: Multiple of (17,9,3) covering

Lower Bound: Schonheim

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