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