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