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