C(54,22,2) = 9

Created by: LJCR

Method of Construction: Multiple of (27,11,2) covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10 27 28 29 30 31 32 33 34 35 36 37 54
  1  2  3  4  5 11 12 13 14 15 27 28 29 30 31 32 38 39 40 41 42 54
  1  2  3  4  5 16 17 18 19 20 21 28 29 30 31 32 43 44 45 46 47 48
  1  2  3  4  5 22 23 24 25 26 27 28 29 30 31 32 49 50 51 52 53 54
  6  7  8  9 10 11 12 13 14 15 27 33 34 35 36 37 38 39 40 41 42 54
  6  7  8  9 10 16 17 18 22 23 24 33 34 35 36 37 43 44 45 49 50 51
  6  7  8  9 10 19 20 21 25 26 27 33 34 35 36 37 46 47 48 52 53 54
 11 12 13 14 15 16 17 18 25 26 27 38 39 40 41 42 43 44 45 52 53 54
 11 12 13 14 15 19 20 21 22 23 24 38 39 40 41 42 46 47 48 49 50 51