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