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