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