C(60,22,2) = 11

Created by: LJCR

Method of Construction: Multiple of (30,11,2) covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10 30 31 32 33 34 35 36 37 38 39 40 60
  1 11 12 13 14 17 18 19 20 21 22 31 41 42 43 44 47 48 49 50 51 52
  1 15 16 23 24 25 26 27 28 29 30 31 45 46 53 54 55 56 57 58 59 60
  2 11 12 13 14 23 24 25 26 27 28 32 41 42 43 44 53 54 55 56 57 58
  2 15 16 17 18 19 20 21 22 29 30 32 45 46 47 48 49 50 51 52 59 60
  3  4  5  6 11 12 13 14 15 16 29 33 34 35 36 41 42 43 44 45 46 59
  3  4  5  6 17 18 19 23 24 25 30 33 34 35 36 47 48 49 53 54 55 60
  3  4  5  6 20 21 22 26 27 28 30 33 34 35 36 50 51 52 56 57 58 60
  7  8  9 10 11 12 13 14 15 16 30 37 38 39 40 41 42 43 44 45 46 60
  7  8  9 10 17 18 19 26 27 28 29 37 38 39 40 47 48 49 56 57 58 59
  7  8  9 10 20 21 22 23 24 25 30 37 38 39 40 50 51 52 53 54 55 60