11 ≤ C(31,23,5) ≤ 13

Created by: LJCR

Method of Construction: Simple construction from (30,22,5)

Lower Bound: Schonheim

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