C(26,18,4) = 10
Created by: LJCR
Method of Construction: Multiple of (13,9,4) covering
Lower Bound: Theorem 4, Todorov, JCTA 1985
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1 2 3 4 5 6 7 10 11 14 15 16 17 18 19 20 23 24
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1 4 5 8 9 10 11 12 13 14 17 18 21 22 23 24 25 26
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2 4 6 8 9 10 11 12 13 15 17 19 21 22 23 24 25 26
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