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