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