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