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