C(49,20,2) = 9

Created by: LJCR

Method of Construction: Simple construction from (50,20,2)

Lower Bound: Schonheim

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