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