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