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