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