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