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