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