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