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