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