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