C111112111133131121133133313331323133313221323331333133313111311331   >>    C11111211113313112113313331333132313331322132333133313331311131133   <<    C111112111133131121133133313331323133313221323331333133313111311333   >>      C111112111133131121133133313331323133313221323331333133313111311332   >>