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