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