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