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