C111123313331323113313331323133313331311331311331333133323132233132332321   >>    C11112331333132311331333132313331333131133131133133313332313223313233232   <<    C111123313331323113313331323133313331311331311331333133323132233132332323   >>      C111123313331323113313331323133313331311331311331333133323132233132332322   >>