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