C111123313331323113313331333133313331323133113313331333132223132332321   >>    C11112331333132311331333133313331333132313311331333133313222313233232   <<    C111123313331323113313331333133313331323133113313331333132223132332323   >>      C111123313331323113313331333133313331323133113313331333132223132332322   >>