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