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