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