C(13,8,3) = 10

Method of Construction: lex covering

Lower Bound: Schonheim

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