20
14 16 19 18 17 13 11 15 12 20 
12 19 14 16 17 20 13 15 11 18 
16 12 11 15 19 20 18 17 14 13 
19 11 16 13 15 18 14 20 17 12 
17 19 20 16 13 18 12 11 15 14 
20 15 14 12 17 19 11 16 13 18 
19 18 17 11 16 13 15 12 14 20 
11 12 14 17 20 16 13 18 15 19 
18 20 13 15 19 17 11 14 16 12 
17 11 19 13 16 12 20 18 15 14 
9 3 1 7 5 2 6 4 8 10 
1 10 5 3 9 4 7 6 8 2 
8 4 7 10 3 2 6 9 1 5 
1 9 3 2 7 6 10 5 8 4 
5 10 4 8 6 3 1 9 2 7 
1 5 4 9 10 6 8 2 3 7 
2 1 7 5 4 10 6 8 3 9 
6 10 5 2 7 1 8 4 3 9 
9 3 5 4 10 1 7 8 6 2 
8 7 3 6 9 4 5 2 10 1 
forbidden 1 19
forbidden 1 20
forbidden 2 11
forbidden 2 16
forbidden 2 18
forbidden 3 14
forbidden 3 15
forbidden 3 20
forbidden 4 14
forbidden 5 11
forbidden 5 13
forbidden 5 20
forbidden 6 12
forbidden 6 14
forbidden 6 20
forbidden 7 11
forbidden 7 13
forbidden 7 17
forbidden 7 19
forbidden 8 14
forbidden 8 16
forbidden 8 19
forbidden 8 20
forbidden 9 12
forbidden 9 16
forbidden 10 12
forbidden 10 13
forbidden 10 14
forbidden 10 16
forbidden 10 20