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