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