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