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