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