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