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