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