C(57,22,2) = 10

Created by: LJCR

Method of Construction: Simple construction from (58,22,2)

Lower Bound: Bounds for fixed number of blocks

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