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