18 ≤ C(30,22,6) ≤ 21

Created by: LJCR

Method of Construction: Multiple of (15,11,6) covering

Lower Bound: Schonheim

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