18 ≤ C(48,13,2) ≤ 19
Created by: LJCR
Method of Construction: Simple construction from (49,13,2)
Lower Bound: Horsley, Theorem 1, r=4, d=1
1 2 6 13 17 18 22 29 31 32 33 34 39
1 2 8 14 15 18 24 30 34 40 45 46 47
1 3 5 15 19 21 25 26 33 37 40 45 47
1 3 8 10 11 17 19 24 25 29 31 35 43
1 4 7 11 14 20 30 33 36 38 42 43 46
1 5 7 12 17 21 28 29 31 37 41 42 44
1 8 9 12 16 23 24 27 28 32 33 44 48
2 3 7 9 18 19 23 25 27 34 35 41 42
2 4 10 12 18 20 26 28 34 36 38 42 44
2 5 6 11 16 18 21 27 32 34 37 43 48
3 4 6 16 19 20 22 25 27 32 36 38 48
3 12 13 14 19 25 28 30 33 35 39 44 46
4 5 8 13 20 21 24 35 36 37 38 39 41
4 9 15 17 20 23 29 31 36 38 40 45 47
5 6 9 10 14 21 22 23 30 33 37 41 46
6 7 8 9 11 13 22 23 24 26 39 42 43
6 11 12 15 22 28 35 40 41 43 44 45 47
7 10 13 15 16 27 32 39 40 42 45 47 48
14 16 17 26 27 29 30 31 32 35 41 46 48