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