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