C(24,15,3) = 8

Method of Construction: simple construction: multiple of smaller covering

Lower Bound: Bounds for fixed number of blocks

  2  3  4  5  6 10 11 12 13 14 18 19 20 21 22
  1  2  3  7  8  9 10 11 15 16 17 18 19 23 24
  1  3  4  5  8  9 11 12 13 16 17 19 20 21 24
  2  4  5  7  8 10 12 13 15 16 18 20 21 23 24
  1  3  4  6  7  9 11 12 14 15 17 19 20 22 23
  1  2  5  6  7  9 10 13 14 15 17 18 21 22 23
  1  2  4  6  8  9 10 12 14 16 17 18 20 22 24
  3  5  6  7  8 11 13 14 15 16 19 21 22 23 24