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