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