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