C11112331333132311331333133313331333112211231211113313331311222113221   >>    C1111233133313231133133313331333133311221123121111331333131122211322   <<    C11112331333132311331333133313331333112211231211113313331311222113223   >>      C11112331333132311331333133313331333112211231211113313331311222113222   >>