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