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