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