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