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