17 ≤ C(29,13,3) ≤ 21

Created by: Rade Belic

Lower Bound: Horsley-Singh, Theorem 6, s=1

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