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