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