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