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