14 ≤ C(22,11,3) ≤ 15
Method of Construction: simple construction: deleted element from c(v+1,k,t) covering
Lower Bound: Schonheim
2 3 5 7 9 10 12 15 17 19 20
3 6 7 8 9 10 12 13 16 19 22
2 3 4 6 9 11 13 14 16 18 20
2 4 6 8 10 11 14 15 19 20 22
1 2 3 6 7 11 12 14 15 18 20
1 2 10 12 13 15 16 18 19 20 21
4 5 10 11 12 13 14 16 17 19 20
1 5 6 8 10 17 18 19 20 21 22
2 4 5 7 8 13 14 16 17 18 22
1 3 5 6 9 13 14 15 16 17 21
1 4 7 8 11 13 15 16 20 21 22
3 4 5 8 9 11 12 15 17 18 22
1 3 4 7 9 10 11 14 18 19 21
1 2 4 5 6 7 11 12 17 19 21
1 2 3 6 8 9 12 14 20 21 22