C(43,18,2) = 9

Created by: LJCR

Method of Construction: Simple construction from (42,17,2)

Lower Bound: Bounds for fixed number of blocks

  1  2  3  5 11 16 18 19 21 22 23 25 27 30 34 35 40 43
  1  2  4  7  8  9 12 14 16 17 19 20 24 26 28 29 42 43
  1  2  6 10 13 15 16 19 31 32 33 36 37 38 39 41 42 43
  3  4  5  6  7 10 18 21 23 27 28 30 34 35 38 39 40 43
  3  7  8 15 17 18 21 23 24 27 28 29 31 34 35 37 41 43
  3  9 12 13 14 18 20 21 23 26 27 32 33 34 35 36 42 43
  4  5  7  8 11 13 17 22 24 25 28 29 30 32 33 36 40 43
  4  5  9 11 12 14 15 20 22 25 26 30 31 37 40 41 42 43
  6  8  9 10 11 12 14 17 20 22 24 25 26 29 31 38 39 43