20
15 18 17 14 20 19 11 12 16 13 
11 14 12 13 16 20 17 18 15 19 
18 16 17 20 11 13 19 15 12 14 
13 15 11 20 19 14 16 18 17 12 
19 13 11 15 20 14 16 18 12 17 
11 17 19 13 15 16 14 20 12 18 
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