C(20,15,5) = 12
Method of Construction: dynamic programming covering
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 10 12 13 15 16 18
1 2 3 4 5 6 7 8 9 10 11 12 14 15 17
1 2 3 4 5 6 7 8 9 10 11 13 14 16 20
1 2 3 4 5 6 7 8 9 10 15 16 17 19 20
1 2 3 4 5 6 7 8 9 10 12 14 18 19 20
1 2 3 4 5 6 7 8 9 10 11 13 17 18 19
2 3 5 6 8 11 12 13 14 15 16 17 18 19 20
1 2 4 5 7 11 12 13 14 15 16 17 18 19 20
1 3 4 6 10 11 12 13 14 15 16 17 18 19 20
5 6 7 9 10 11 12 13 14 15 16 17 18 19 20
2 4 8 9 10 11 12 13 14 15 16 17 18 19 20
1 3 7 8 9 11 12 13 14 15 16 17 18 19 20