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