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