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