C(40,14,2) = 12
Created by: LJCR
Method of Construction: Multiple of (20,7,2) covering
Lower Bound: Bounds for fixed number of blocks
1 2 3 4 5 6 7 21 22 23 24 25 26 27
1 5 12 13 14 15 20 21 25 32 33 34 35 40
1 8 9 10 11 12 13 21 28 29 30 31 32 33
1 14 15 16 17 18 19 21 34 35 36 37 38 39
2 3 4 10 11 18 19 22 23 24 30 31 38 39
2 3 4 12 13 16 17 22 23 24 32 33 36 37
2 3 8 9 14 15 20 22 23 28 29 34 35 40
4 5 10 11 16 17 20 24 25 30 31 36 37 40
4 6 7 8 9 16 17 24 26 27 28 29 36 37
4 6 7 10 11 14 15 24 26 27 30 31 34 35
5 8 9 12 14 18 19 25 28 29 32 34 38 39
6 7 12 13 18 19 20 26 27 32 33 38 39 40