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