13 ≤ C(25,16,4) ≤ 17
Method of Construction: dynamic programming covering
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 17 18 19
1 2 3 4 5 6 7 8 9 10 11 12 13 20 21 22
1 2 3 4 5 6 7 8 9 10 11 12 13 23 24 25
1 2 3 4 14 15 16 17 18 19 20 21 22 23 24 25
1 5 6 7 14 15 16 17 18 19 20 21 22 23 24 25
1 8 9 10 14 15 16 17 18 19 20 21 22 23 24 25
1 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
2 5 8 11 14 15 16 17 18 19 20 21 22 23 24 25
2 6 9 12 14 15 16 17 18 19 20 21 22 23 24 25
2 7 10 13 14 15 16 17 18 19 20 21 22 23 24 25
3 5 9 13 14 15 16 17 18 19 20 21 22 23 24 25
3 6 10 11 14 15 16 17 18 19 20 21 22 23 24 25
3 7 8 12 14 15 16 17 18 19 20 21 22 23 24 25
4 5 10 12 14 15 16 17 18 19 20 21 22 23 24 25
4 6 8 13 14 15 16 17 18 19 20 21 22 23 24 25
4 7 9 11 14 15 16 17 18 19 20 21 22 23 24 25