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