C(65,25,2) = 10
Created by: LJCR
Method of Construction: Multiple of (13,5,2) covering
Lower Bound: Bounds for fixed number of blocks
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1 10 11 12 13 14 23 24 25 26 27 36 37 38 39 40 49 50 51 52 53 62 63 64 65
2 3 4 12 13 15 16 17 25 26 28 29 30 38 39 41 42 43 51 52 54 55 56 64 65
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2 3 8 9 11 15 16 21 22 24 28 29 34 35 37 41 42 47 48 50 54 55 60 61 63
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4 5 8 9 10 17 18 21 22 23 30 31 34 35 36 43 44 47 48 49 56 57 60 61 62
5 6 7 12 13 18 19 20 25 26 31 32 33 38 39 44 45 46 51 52 57 58 59 64 65