C13332313311211113313331333133313331322333133313331333133313231123312231   >>    C1333231331121111331333133313331333132233313331333133313331323112331223   <<    C13332313311211113313331333133313331322333133313331333133313231123312233   >>      C13332313311211113313331333133313331322333133313331333133313231123312232   >>