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