C(37,21,2) = 5

Created by: LJCR

Method of Construction: Simple construction from (36,20,2)

Lower Bound: Bounds for fixed number of blocks

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