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