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