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