23 ≤ C(38,9,2) ≤ 25
Created by: Colin Barker
Method of Construction: Simulated Annealing
Lower Bound: Horsley, Theorem 1, r=5, d=3
1 2 3 4 5 6 7 8 9
1 5 11 12 17 18 20 22 32
1 5 13 14 27 28 30 34 38
1 5 15 21 24 25 31 33 35
1 5 16 17 19 23 26 36 37
1 7 10 19 22 29 30 36 38
2 4 5 10 16 21 26 29 37
2 9 11 14 25 26 33 34 36
2 9 12 13 17 21 32 35 37
2 9 15 16 19 20 24 27 28
2 9 18 22 23 24 30 31 38
3 10 11 13 15 23 25 27 29
3 12 14 16 19 29 31 32 34
3 17 20 24 25 30 33 37 38
3 18 21 22 26 27 28 35 36
4 7 8 14 20 21 23 34 35
4 7 11 17 24 27 28 31 37
4 7 12 15 26 30 32 36 38
4 7 13 16 18 19 22 25 33
6 8 10 13 20 24 26 31 36
6 8 11 16 19 21 30 35 38
6 8 12 25 27 28 29 32 33
6 8 14 15 17 18 22 34 37
6 10 12 14 23 24 28 32 33
9 10 17 18 20 24 29 34 35