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