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