C(32,11,2) = 12

Method of Construction: lex covering

Lower Bound: Schonheim

  1 10 11 15 16 17 22 23 24 31 32
  1 12 13 14 15 16 17 18 19 20 21
  1  2  3  4  5  6  7  8  9 10 11
  1 22 23 24 25 26 27 28 29 30 31
  2 10 11 12 13 14 15 22 25 26 27
  2 10 11 18 19 20 21 28 29 30 32
  2  3  4  5 12 13 14 22 23 24 32
  2  3  4  5 15 16 17 28 29 30 31
  3  4  5 18 19 20 21 25 26 27 31
  6  7  8  9 12 13 14 28 29 30 31
  6  7  8  9 15 16 17 25 26 27 32
  6  7  8  9 18 19 20 21 22 23 24