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