14 ≤ C(21,15,5) ≤ 16
Method of Construction: dynamic programming covering
Lower Bound: Schonheim
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 16 17 18
1 2 3 4 5 6 7 8 9 10 11 12 19 20 21
1 2 3 4 5 6 7 8 9 10 11 13 14 16 19
1 2 3 4 5 6 7 8 9 10 11 13 14 17 20
1 2 3 4 5 6 7 8 9 10 11 13 14 18 21
1 2 3 4 5 6 7 8 9 10 11 15 16 17 21
1 2 3 4 5 6 7 8 9 10 11 15 18 19 20
1 2 3 4 5 6 7 8 9 10 11 16 17 19 20
1 2 3 5 6 12 13 14 15 16 17 18 19 20 21
1 2 3 9 10 12 13 14 15 16 17 18 19 20 21
3 4 7 8 11 12 13 14 15 16 17 18 19 20 21
2 6 7 9 11 12 13 14 15 16 17 18 19 20 21
1 4 5 8 9 12 13 14 15 16 17 18 19 20 21
1 5 7 10 11 12 13 14 15 16 17 18 19 20 21
2 4 6 8 10 12 13 14 15 16 17 18 19 20 21