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