11 ≤ C(31,17,3) ≤ 12
Created by: Jan de Heer and Steve Muir
Method of Construction: Private tools
Lower Bound: Schonheim
1 2 3 5 6 8 12 13 16 17 19 23 24 25 27 28 31
1 2 3 6 7 11 12 13 14 16 17 18 22 23 25 29 30
1 2 4 5 7 11 12 13 15 18 22 23 24 26 27 29 30
1 2 4 8 9 10 12 13 14 15 19 20 21 23 24 26 31
1 3 4 6 10 11 12 15 16 17 21 22 23 25 26 28 30
1 3 7 8 9 11 12 16 18 19 20 22 23 25 29 30 31
1 5 6 7 9 10 12 14 17 18 20 21 23 24 27 28 29
2 3 4 6 7 9 13 15 16 17 18 20 24 25 26 28 29
2 3 5 9 10 11 13 14 16 20 21 22 24 25 27 28 30
2 6 7 8 10 11 13 17 18 19 21 22 24 28 29 30 31
3 4 5 7 8 10 14 15 16 18 19 21 25 26 27 29 31
4 5 6 8 9 11 14 15 17 19 20 22 26 27 28 30 31