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