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