C(58,20,2) = 12

Created by: LJCR

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