C111123313331323113313331333133313331323132333133313331311113323221   >>    C11112331333132311331333133313331333132313233313331333131111332322   <<    C111123313331323113313331333133313331323132333133313331311113323223   >>      C111123313331323113313331333133313331323132333133313331311113323222   >>