22 ≤ C(29,7,2) ≤ 23

Created by: Rade Belic and Jan de Heer

Lower Bound: Horsley, Theorem 1, r=5, d=2

  1  2  3  4 15 16 17
  1  2  5  6 18 19 20
  1  2  7  8 24 27 29
  1  2 22 23 25 26 28
  3  4  9 10 19 26 27
  3  4 11 12 18 24 25
  3  4 13 14 20 22 29
  5  6  9 10 17 22 24
  5  6 11 12 16 26 29
  5  6 13 14 15 25 27
  7  8  9 10 16 20 25
  7  8 11 12 15 19 22
  7  8 13 14 17 18 26
  8 16 18 21 22 27 28
  9 10 15 18 23 28 29
  9 17 19 21 23 25 29
 10 13 15 20 21 24 26
 13 14 16 19 23 24 28
  1  2  9 11 12 13 14
  1  2 10 11 12 14 21
  3  4  5  6  7  8 23
  3  4  5  6  7 21 28
 11 12 17 20 23 27 28