C22213331333133313112331323133313331333131111121111331333132221233121   >>    C2221333133313331311233132313331333133313111112111133133313222123312   <<    C22213331333133313112331323133313331333131111121111331333132221233123   >>      C22213331333133313112331323133313331333131111121111331333132221233122   >>