C(42,22,2) = 6

Created by: LJCR

Method of Construction: Multiple of (21,11,2) covering

Lower Bound: Bounds for fixed number of blocks

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