C111123313331323113313331333133313331323133113313331333133323112322321   >>    C11112331333132311331333133313331333132313311331333133313332311232232   <<    C111123313331323113313331333133313331323133113313331333133323112322323   >>      C111123313331323113313331333133313331323133113313331333133323112322322   >>