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