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