Hi Sheba
Below is the best design found
for the MAX number of tickets you indicated.
LD(30,7,4,8)=42
It covers ~98.5% of the 5,852,925 combinations.
I hope that this will do
Nick
1 2 5 19 24 25 28
1 2 15 20 22 26 29
1 3 4 13 16 23 25
1 3 11 12 18 24 30
1 5 7 9 13 18 29
1 6 8 10 16 24 26
1 6 11 19 20 21 23
1 7 8 14 15 28 30
1 10 17 21 25 27 29
2 3 7 10 22 25 30
2 4 7 9 12 14 19
2 5 9 11 16 23 26
2 5 17 20 21 27 30
2 6 7 18 21 26 28
2 6 8 11 13 17 25
2 8 12 16 19 22 27
2 10 13 14 23 24 29
3 4 5 8 19 26 30
3 5 6 7 12 23 27
3 7 15 19 21 24 29
3 8 9 13 20 22 28
3 11 14 15 16 17 20
3 12 14 25 26 28 29
4 5 15 18 20 23 24
4 6 9 21 22 24 25
4 6 10 14 20 27 28
4 7 8 17 22 23 29
4 11 16 18 19 28 29
4 12 13 15 17 21 28
5 6 14 17 18 19 22
5 7 8 16 20 21 25
5 8 10 11 12 15 29
6 8 18 20 25 29 30
6 9 13 15 16 27 30
7 16 17 18 24 25 27
8 9 14 18 21 23 27
9 10 17 19 23 28 30
9 12 17 20 24 26 27
10 12 16 18 20 21 22
10 13 15 18 19 25 26
11 13 14 21 22 26 30
11 15 22 23 25 27 28
For 36 Tickets the best design found:
LD(28,7,4,8)=36
It covers ~99.1% of the design
1 2 5 19 24 25 28
1 2 10 15 20 22 26
1 3 4 13 16 23 25
1 3 11 18 24 26 27
1 4 6 8 9 22 24
1 5 9 13 14 20 27
1 6 11 19 20 21 23
1 7 8 9 15 17 23
1 7 10 14 16 18 28
1 12 16 17 21 22 27
2 3 8 10 12 16 24
2 4 6 16 20 27 28
2 4 7 9 12 14 19
2 5 9 11 16 23 26
2 6 8 11 13 17 25
2 7 13 17 22 24 27
2 8 14 18 21 23 27
2 12 13 15 17 23 28
3 5 6 7 12 23 27
3 5 9 10 17 21 28
3 7 10 11 19 22 25
3 8 13 18 20 22 28
3 11 14 15 16 17 20
4 5 15 18 20 23 24
4 7 21 22 23 26 28
4 8 10 17 19 26 27
4 10 11 12 13 18 21
5 6 14 17 18 19 22
5 7 8 16 20 21 25
5 8 12 13 15 19 26
6 9 11 12 15 22 28
6 10 13 14 23 24 26
7 9 11 13 15 21 24
8 11 12 14 25 27 28
9 12 17 20 24 25 26
9 15 16 18 19 25 27
