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