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