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