The two landers were identical, so the same tests were carried out at two places on Mars' surface, Viking 1 near the equator and Viking 2 further north. (wikipedia.org)
Maka kalih pendarat punika identik, dadosnyané tes sané pateh kamargiang ring kalih genah ring permukaan Mars; Viking 1 nampek ring khatulistiwa miwah Viking 2 dohan kaja.