C(41,21,2) = 6

Created by: LJCR

Method of Construction: Simple construction from (42,21,2)

Lower Bound: Bounds for fixed number of blocks

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