C111123313331323113313331323133313331311331311331333132313111121221   >>    C11112331333132311331333132313331333131133131133133313231311112122   <<    C111123313331323113313331323133313331311331311331333132313111121223   >>      C111123313331323113313331323133313331311331311331333132313111121222   >>