lower bound = 25

25 ≤ CC(17,7,3) ≤ 27

Created by: Andrei Ochmat

Lower Bound: Schonheim

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