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