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