C2221333133313331311233132313331333133313331311233133313311211131121   >>    C222133313331333131123313231333133313331333131123313331331121113112   <<    C2221333133313331311233132313331333133313331311233133313311211131123   >>      C2221333133313331311233132313331333133313331311233133313311211131122   >>