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