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