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