C(18,15,8) = 18

Method of Construction: cyclic covering found by search program

Lower Bound: Schonheim

  1  2  3  4  5  6  7  8 10 11 12 13 14 15 16
  2  3  4  5  6  7  8  9 11 12 13 14 15 16 17
  3  4  5  6  7  8  9 10 12 13 14 15 16 17 18
  1  4  5  6  7  8  9 10 11 13 14 15 16 17 18
  1  2  5  6  7  8  9 10 11 12 14 15 16 17 18
  1  2  3  6  7  8  9 10 11 12 13 15 16 17 18
  1  2  3  4  7  8  9 10 11 12 13 14 16 17 18
  1  2  3  4  5  8  9 10 11 12 13 14 15 17 18
  1  2  3  4  5  6  9 10 11 12 13 14 15 16 18
  1  2  3  4  5  6  7 10 11 12 13 14 15 16 17
  2  3  4  5  6  7  8 11 12 13 14 15 16 17 18
  1  3  4  5  6  7  8  9 12 13 14 15 16 17 18
  1  2  4  5  6  7  8  9 10 13 14 15 16 17 18
  1  2  3  5  6  7  8  9 10 11 14 15 16 17 18
  1  2  3  4  6  7  8  9 10 11 12 15 16 17 18
  1  2  3  4  5  7  8  9 10 11 12 13 16 17 18
  1  2  3  4  5  6  8  9 10 11 12 13 14 17 18
  1  2  3  4  5  6  7  9 10 11 12 13 14 15 18