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