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