C133323133112111133133313331333133313113313331333133311223213232321   >>    C13332313311211113313331333133313331311331333133313331122321323232   <<    C133323133112111133133313331333133313113313331333133311223213232323   >>      C133323133112111133133313331333133313113313331333133311223213232322   >>