21 ≤ C(30,17,4) ≤ 26
Created by: Jan de Heer and Steve Muir
Method of Construction: Private Tools
Lower Bound: Horsley-Singh, Theorem 18a, s=1
1 2 3 4 7 8 12 15 18 19 20 22 23 24 25 26 28
1 2 3 4 9 10 11 14 15 16 17 19 20 21 24 26 29
1 2 3 5 6 8 12 13 15 19 20 22 24 26 27 28 30
1 2 3 5 8 9 10 11 12 15 18 19 20 22 23 28 30
1 2 3 6 8 9 12 13 14 15 19 22 23 24 25 28 30
1 2 3 6 8 10 11 12 14 15 18 19 25 26 27 28 30
1 2 4 5 6 7 12 14 16 17 19 20 21 22 25 29 30
1 2 4 5 6 8 10 11 16 17 21 22 23 24 25 27 29
1 2 4 6 7 10 11 12 13 16 17 18 21 24 28 29 30
1 2 5 6 7 8 9 10 11 13 14 18 20 23 25 27 30
1 3 4 5 6 7 8 9 12 14 15 18 19 22 24 27 28
1 3 4 5 6 9 13 15 16 17 18 21 22 25 26 28 29
1 3 4 5 7 8 10 11 12 13 14 15 19 22 23 26 28
1 3 4 6 7 8 9 12 15 16 17 21 23 26 27 29 30
1 4 6 8 13 14 16 17 18 19 20 21 23 24 27 28 29
2 3 4 5 7 8 14 15 16 17 20 21 24 25 28 29 30
2 3 4 6 7 9 10 11 12 13 15 19 20 22 25 27 28
2 3 4 6 12 13 14 15 16 17 18 20 21 22 23 27 29
2 4 5 8 9 10 12 13 16 17 18 19 21 24 25 26 29
2 4 6 7 9 16 17 19 21 22 23 24 26 27 28 29 30
2 5 6 7 10 11 13 14 18 20 22 23 24 25 26 27 30
3 4 7 8 10 11 13 15 16 17 18 19 21 22 24 29 30
3 5 6 10 11 12 15 16 17 19 21 23 24 25 27 28 29
4 5 7 9 10 11 13 14 17 18 20 21 23 25 26 27 30
4 6 8 9 10 11 12 14 16 17 20 21 22 24 26 28 29
5 7 9 10 11 13 14 16 18 20 23 24 25 26 27 29 30