C(30,10,2) = 13
Created by: LJCR
Method of Construction: Multiple of (15,5,2) covering
Lower Bound: Handbook of Combinatorial Designs section on coverings
1 2 3 8 11 16 17 18 23 26
1 4 6 11 15 16 19 21 26 30
1 4 10 11 12 16 19 25 26 27
1 5 11 13 14 16 20 26 28 29
1 7 9 11 15 16 22 24 26 30
2 4 8 9 13 17 19 23 24 28
2 5 6 7 10 17 20 21 22 25
2 5 12 14 15 17 20 27 29 30
3 4 5 7 14 18 19 20 22 29
3 6 9 12 14 18 21 24 27 29
3 8 10 13 15 18 23 25 28 30
5 8 9 10 14 20 23 24 25 29
6 7 8 12 13 21 22 23 27 28