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