25 ≤ C(40,9,2) ≤ 26
Created by: A. West
Method of Construction: Local search - Bluskov PDO technique
Lower Bound: Horsley, Theorem 14a, r=5, d=1
1 2 3 7 12 17 18 29 33
1 4 9 17 19 20 24 30 40
1 5 6 13 17 23 26 32 37
1 8 14 16 17 21 25 27 36
1 10 12 17 18 28 29 33 38
1 11 15 17 22 31 34 35 39
2 3 4 8 16 21 23 28 34
2 3 5 6 9 15 27 28 32
2 3 7 13 14 22 28 38 40
2 7 19 24 25 28 31 36 39
2 10 11 14 20 26 30 35 37
3 7 11 20 26 28 30 35 37
3 10 13 19 24 25 31 36 39
4 5 6 7 8 9 10 22 27
4 9 11 13 16 21 29 33 35
4 9 12 14 18 23 31 32 39
4 9 15 25 26 34 36 37 38
5 6 11 12 18 25 35 36 40
5 6 14 15 19 24 29 33 34
5 6 16 20 21 30 31 38 39
7 10 15 16 21 23 32 34 40
8 11 19 23 24 27 32 35 38
8 12 13 15 18 20 27 30 34
8 26 27 29 31 33 37 39 40
12 16 18 19 21 22 24 26 37
20 22 23 25 29 30 32 33 36