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