68 ≤ C(45,6,2) ≤ 70

Created by: Adolf Muehl

Method of Construction: Produced with Covermaster (by John Rawson), WheelGenerator (by Anastasios Tampakis) and private tools.

Lower Bound: Schonheim

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