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