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