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