C(50,20,2) = 9
Created by: LJCR
Method of Construction: Multiple of (10,4,2) covering
Lower Bound: Bounds for fixed number of blocks
1 2 3 4 11 12 13 14 21 22 23 24 31 32 33 34 41 42 43 44
1 5 6 7 11 15 16 17 21 25 26 27 31 35 36 37 41 45 46 47
1 8 9 10 11 18 19 20 21 28 29 30 31 38 39 40 41 48 49 50
2 3 5 8 12 13 15 18 22 23 25 28 32 33 35 38 42 43 45 48
2 3 6 9 12 13 16 19 22 23 26 29 32 33 36 39 42 43 46 49
2 3 7 10 12 13 17 20 22 23 27 30 32 33 37 40 42 43 47 50
4 5 6 10 14 15 16 20 24 25 26 30 34 35 36 40 44 45 46 50
4 7 8 9 14 17 18 19 24 27 28 29 34 37 38 39 44 47 48 49
5 6 8 9 15 16 18 19 25 26 28 29 35 36 38 39 45 46 48 49