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