C111123313331323113313331333133313331323123231333133313331322323131122321   >>    C11112331333132311331333133313331333132312323133313331333132232313112232   <<    C111123313331323113313331333133313331323123231333133313331322323131122323   >>      C111123313331323113313331333133313331323123231333133313331322323131122322   >>