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