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