lower bound = 40

C(28,5,2) = 40

Created by: Iliya Bluskov

Lower Bound: Schonheim

  1  2  3  6 26
  1  3 12 17 25
  1  4  7 13 28
  1  5  8  9 24
  1 10 16 18 27
  1 11 14 15 20
  1 19 21 22 23
  2  3  6 16 26
  2  4  6 24 26
  2  5 15 18 21
  2  7 11 12 19
  2  8 25 27 28
  2  9 17 20 23
  2 10 13 14 22
  3  4 18 19 20
  3  5  8 11 22
  3  7  9 14 27
  3  9 10 21 28
  3 13 15 23 24
  4  5 12 23 27
  4  8 10 12 15
  4  9 11 16 22
  4 14 17 21 25
  5  6  7 10 17
  5 13 16 20 25
  5 14 19 26 28
  6  8 14 18 23
  6  9 15 19 25
  6 11 13 21 27
  6 12 20 22 28
  7  8 20 21 26
  7 15 16 23 28
  7 18 22 24 25
  8 13 16 17 19
  9 12 13 18 26
 10 11 23 25 26
 10 19 20 24 27
 11 17 18 24 28
 12 14 16 21 24
 15 17 22 26 27