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