C111123313331323113313331323133313331311331311331333133313113122321   >>    C11112331333132311331333132313331333131133131133133313331311312232   <<    C111123313331323113313331323133313331311331311331333133313113122323   >>      C111123313331323113313331323133313331311331311331333133313113122322   >>