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