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