C(15,11,6) = 21
Method of Construction: dynamic programming covering
Lower Bound: Sidorenko; 1996
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 12 13
1 2 3 4 5 6 7 8 9 14 15
1 2 3 4 5 6 7 8 10 12 14
1 2 3 4 5 6 7 8 10 13 15
1 2 3 4 5 6 7 8 11 12 15
1 2 3 4 5 6 7 8 11 13 14
1 2 3 4 9 10 11 12 13 14 15
1 2 5 6 9 10 11 12 13 14 15
1 2 7 8 9 10 11 12 13 14 15
1 3 5 7 9 10 11 12 13 14 15
1 3 6 8 9 10 11 12 13 14 15
1 4 5 8 9 10 11 12 13 14 15
1 4 6 7 9 10 11 12 13 14 15
2 3 5 8 9 10 11 12 13 14 15
2 3 6 7 9 10 11 12 13 14 15
2 4 5 7 9 10 11 12 13 14 15
2 4 6 8 9 10 11 12 13 14 15
3 4 5 6 9 10 11 12 13 14 15
3 4 7 8 9 10 11 12 13 14 15
5 6 7 8 9 10 11 12 13 14 15