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