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