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