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