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