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