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