30
19 16 20 29 23 27 30 28 26 21 22 25 24 18 17 
20 21 27 22 30 18 17 23 28 16 24 19 26 29 25 
30 22 25 17 23 29 24 28 21 26 18 20 27 16 19 
18 21 30 27 23 24 22 28 20 29 17 26 25 16 19 
26 30 27 17 28 22 20 21 19 24 16 25 18 23 29 
29 22 26 30 28 24 18 21 23 20 17 16 19 27 25 
16 17 29 30 20 22 18 25 28 19 26 23 27 21 24 
24 18 23 16 19 21 27 25 30 20 29 26 28 22 17 
28 16 24 20 27 29 22 21 25 17 19 30 26 18 23 
27 23 22 24 30 17 25 16 18 29 21 20 19 26 28 
23 18 25 28 24 19 20 22 27 29 16 26 21 17 30 
29 20 19 17 26 22 21 18 27 28 25 30 24 23 16 
30 18 27 24 22 21 29 20 19 17 16 23 26 28 25 
16 20 17 22 25 26 23 30 19 24 27 28 18 21 29 
21 20 19 17 22 25 18 16 27 24 26 29 23 28 30 
12 10 8 14 15 5 6 11 4 1 2 9 13 7 3 
6 14 11 15 2 3 8 12 7 13 10 4 1 5 9 
12 8 13 14 3 1 11 15 4 9 5 2 6 7 10 
3 11 8 2 10 4 15 13 12 5 9 14 1 6 7 
11 10 6 1 14 15 2 8 3 4 5 13 7 12 9 
12 14 10 4 6 1 13 11 5 15 9 8 2 3 7 
8 9 1 15 2 6 12 3 4 5 11 7 10 13 14 
9 2 7 1 14 6 12 3 5 13 11 15 8 4 10 
4 11 15 10 6 8 1 13 12 7 9 2 5 14 3 
6 15 8 5 14 7 10 13 2 12 4 3 9 1 11 
10 6 8 15 1 5 12 7 14 3 2 9 13 4 11 
8 14 4 7 13 2 10 1 15 3 9 11 12 6 5 
8 11 5 2 6 9 4 10 15 3 13 14 7 12 1 
7 5 15 4 1 11 9 8 3 13 6 12 2 14 10 
7 11 1 9 14 13 4 3 15 8 10 12 6 5 2 
forbidden 1 25
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