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