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