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