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