lower bound = 33

C(14,3,2) = 33

Method of Construction: simple construction: combined (13,3,2) and (13,2,1)-coverings

Lower Bound: Schonheim

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