11 ≤ C(28,19,4) ≤ 12
Created by: LJCR
Method of Construction: Simple construction from (27,18,4)
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 28
1 2 3 4 5 6 7 8 9 19 20 21 22 23 24 25 26 27 28
1 2 3 4 5 6 10 11 12 13 14 15 19 20 21 22 23 24 28
1 2 3 4 5 6 10 11 12 16 17 18 22 23 24 25 26 27 28
1 2 3 4 5 6 13 14 15 16 17 18 19 20 21 25 26 27 28
1 2 3 7 8 9 10 11 12 13 14 15 22 23 24 25 26 27 28
1 2 3 7 8 9 10 11 12 16 17 18 19 20 21 25 26 27 28
1 2 3 7 8 9 13 14 15 16 17 18 19 20 21 22 23 24 28
4 5 6 7 8 9 10 11 12 13 14 15 19 20 21 25 26 27 28
4 5 6 7 8 9 10 11 12 16 17 18 19 20 21 22 23 24 28
4 5 6 7 8 9 13 14 15 16 17 18 22 23 24 25 26 27 28
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28