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