16 ≤ C(49,14,2) ≤ 17

Created by: Jan de Heer and Steve Muir

Method of Construction: Private Tools

Lower Bound: Horsley, Theorem 11, r=4, d=4

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