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