C(42,24,2) = 5

Created by: LJCR

Method of Construction: Multiple of (7,4,2) covering

Lower Bound: Bounds for fixed number of blocks

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