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