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