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