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