9 ≤ C(38,22,3) ≤ 11

Created by: LJCR

Method of Construction: Multiple of (19,11,3) covering

Lower Bound: Schonheim

  1  2  3  4  5  6  7  8  9 10 11 20 21 22 23 24 25 26 27 28 29 30
  1  2  3  4  5  6  7  8 12 13 14 20 21 22 23 24 25 26 27 31 32 33
  1  2  3  4  5  9 10 11 12 13 14 20 21 22 23 24 28 29 30 31 32 33
  1  2  3  8  9 10 15 16 17 18 19 20 21 22 27 28 29 34 35 36 37 38
  1  2  6  7  8  9 10 11 12 13 14 20 21 25 26 27 28 29 30 31 32 33
  1  4  5  8 11 12 15 16 17 18 19 20 23 24 27 30 31 34 35 36 37 38
  1  6  7  8 13 14 15 16 17 18 19 20 25 26 27 32 33 34 35 36 37 38
  2  4  6  9 11 13 15 16 17 18 19 21 23 25 28 30 32 34 35 36 37 38
  2  5  7  9 12 14 15 16 17 18 19 21 24 26 28 31 33 34 35 36 37 38
  3  4  7 10 11 14 15 16 17 18 19 22 23 26 29 30 33 34 35 36 37 38
  3  5  6 10 12 13 15 16 17 18 19 22 24 25 29 31 32 34 35 36 37 38