C111123313331323113313331333133313331323132333133313331333223332321   >>    C11112331333132311331333133313331333132313233313331333133322333232   <<    C111123313331323113313331333133313331323132333133313331333223332323   >>      C111123313331323113313331333133313331323132333133313331333223332322   >>