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