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