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