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