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