C2221333133313331311233132313331333133313331333133312111133133313113313111221   >>    C222133313331333131123313231333133313331333133313331211113313331311331311122   <<    C2221333133313331311233132313331333133313331333133312111133133313113313111223   >>      C2221333133313331311233132313331333133313331333133312111133133313113313111222   >>