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