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