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