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