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