C22213331333133313112331323133313331333131111121111331333131133132233132132221   >>    C2221333133313331311233132313331333133313111112111133133313113313223313213222   <<    C22213331333133313112331323133313331333131111121111331333131133132233132132223   >>      C22213331333133313112331323133313331333131111121111331333131133132233132132222   >>