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