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