19 ≤ C(19,11,4) ≤ 23
Method of Construction: dynamic programming covering
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 11 12
1 2 3 4 5 6 7 8 9 13 14
1 2 3 4 5 6 7 8 9 10 15
5 6 7 8 9 10 11 12 13 14 15
2 3 4 8 9 10 11 12 13 14 15
2 3 4 6 7 10 11 12 13 14 15
1 6 7 8 9 10 11 12 13 14 15
1 2 3 4 5 10 11 12 13 14 15
1 2 3 5 6 9 11 16 17 18 19
2 3 4 6 7 10 12 16 17 18 19
3 4 5 7 8 11 13 16 17 18 19
4 5 6 8 9 12 14 16 17 18 19
5 6 7 9 10 13 15 16 17 18 19
1 6 7 8 10 11 14 16 17 18 19
2 7 8 9 11 12 15 16 17 18 19
1 3 8 9 10 12 13 16 17 18 19
2 4 9 10 11 13 14 16 17 18 19
3 5 10 11 12 14 15 16 17 18 19
1 4 6 11 12 13 15 16 17 18 19
1 2 5 7 12 13 14 16 17 18 19
2 3 6 8 13 14 15 16 17 18 19
1 3 4 7 9 14 15 16 17 18 19
1 2 4 5 8 10 15 16 17 18 19