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