C(16,11,4) = 12

Method of Construction: dynamic programming covering

Lower Bound: Sidorenko; 1996

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