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