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