lower bound = 8

C(11,7,3) = 8

Method of Construction: dynamic programming covering

Lower Bound: Bounds for fixed number of blocks

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