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