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