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