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