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