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