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