15 ≤ C(19,12,4) ≤ 17
Created by: Andrei Ochmat
Lower Bound: Schonheim
2 3 4 5 6 7 8 11 12 15 16 18
1 3 4 7 8 9 10 11 14 16 18 19
1 2 3 5 7 8 11 12 14 16 17 19
1 3 4 5 6 7 9 10 12 13 17 18
5 7 8 9 10 11 12 13 15 17 18 19
2 4 5 7 9 10 13 14 15 16 17 18
2 6 9 10 11 12 13 14 16 17 18 19
1 2 3 5 7 8 9 10 12 13 14 16
1 3 4 5 8 11 13 14 16 17 18 19
2 4 5 6 7 8 9 10 11 13 17 19
1 2 3 4 5 6 7 12 14 15 18 19
4 6 7 8 9 10 12 13 14 15 16 17
1 3 5 6 9 10 11 14 15 16 17 19
1 2 3 4 9 10 11 12 13 15 17 19
1 2 4 6 8 11 12 14 15 16 18 19
1 3 5 6 7 8 11 13 14 15 16 19
1 2 3 6 7 8 9 10 13 15 17 18