C(28,18,3) = 8
Created by: LJCR
Method of Construction: Multiple of (14,9,3) covering
Lower Bound: Bounds for fixed number of blocks
1 2 3 4 5 6 7 8 9 15 16 17 18 19 20 21 22 23
1 2 3 4 5 6 7 10 11 15 16 17 18 19 20 21 24 25
1 2 3 4 5 6 7 11 14 15 16 17 18 19 20 21 25 28
1 2 3 4 5 6 7 12 13 15 16 17 18 19 20 21 26 27
1 2 8 9 10 11 12 13 14 15 16 22 23 24 25 26 27 28
3 4 8 9 10 11 12 13 14 17 18 22 23 24 25 26 27 28
4 7 8 9 10 11 12 13 14 18 21 22 23 24 25 26 27 28
5 6 8 9 10 11 12 13 14 19 20 22 23 24 25 26 27 28