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