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