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