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