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