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