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