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