C(19,15,6) = 13
Method of Construction: dynamic programming covering
Lower Bound: Todorov, JCTA 1985
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1 2 3 4 5 6 7 8 9 10 11 12 13 16 17
1 2 3 4 5 6 7 8 9 10 11 12 13 18 19
1 2 3 4 5 6 7 8 9 10 11 12 14 16 18
1 2 3 4 5 6 7 8 9 10 11 12 14 17 19
1 2 3 4 5 6 7 8 9 10 11 12 15 16 19
1 2 3 4 5 6 7 8 9 10 11 12 15 17 18
1 3 4 5 7 9 10 11 13 14 15 16 17 18 19
1 2 3 6 7 8 9 12 13 14 15 16 17 18 19
1 2 5 6 7 8 11 12 13 14 15 16 17 18 19
3 4 5 6 9 10 11 12 13 14 15 16 17 18 19
2 3 4 5 8 9 10 11 13 14 15 16 17 18 19
1 2 4 6 7 8 10 12 13 14 15 16 17 18 19