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