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