C(33,12,2) = 11

Created by: LJCR

Method of Construction: Multiple of (11,4,2) covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  6 12 13 14 17 23 24 25 28
  1  2  5 11 12 13 16 22 23 24 27 33
  1  4 10 11 12 15 21 22 23 26 32 33
  1  7  8  9 12 18 19 20 23 29 30 31
  2  3  4  7 13 14 15 18 24 25 26 29
  2  8  9 10 13 19 20 21 24 30 31 32
  3  4  5  8 14 15 16 19 25 26 27 30
  3  9 10 11 14 20 21 22 25 31 32 33
  4  5  6  9 15 16 17 20 26 27 28 31
  5  6  7 10 16 17 18 21 27 28 29 32
  6  7  8 11 17 18 19 22 28 29 30 33