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