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