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OV7F5M3EQBESXVE3GGPXCTEBF2KZH6CUM6ZTXEF72HDSKRLUIZRAC
AFTXA575C6JTVLVXTYJUKQGPLBO3NFORLO5XDSPHNL44HXLRH4TAC
7YBYT2LQML2PKEO6UO4444AGSASS664UCDXW2YO3ALB7THQHCEBQC
use IO::Handle;