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