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