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