C(17,10,2) = 5

Method of Construction: lex covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10
  1  2  3 11 12 13 14 15 16 17
  4  5  6  7  8 11 12 13 14 15
  4  5  6  7  8  9 10 11 16 17
  1  2  3  4  9 10 12 13 14 15