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