C(31,19,3) = 9
Created by: LJCR
Method of Construction: Dynamic construction
Lower Bound: Todorov, On the covering of triples by eight blocks, 1986
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 21 22 23
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 24 25 26 27
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 28 29 30 31
1 2 3 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
4 5 6 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
7 8 9 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
10 11 12 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31