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