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