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