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