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