lower bound = 6

C(10,7,3) = 6

Method of Construction: lex covering

Lower Bound: Bounds for fixed number of blocks

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