C(15,11,3) = 5

Method of Construction: lex covering

Lower Bound: Schonheim

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