C(17,8,2) = 7

Method of Construction: lex covering

Lower Bound: Schonheim

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