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