What are four deserts from at least three different continents?

Asia: Gobi Desert, Thar Desert, Arabian Desert
Africa: Sahara, Kalahari Desert, Namib Desert
North America: Mojave Desert, Sonoran Desert, Chihuahuan Desert
South America: Patagonian Desert, Atacama Desert, Sechura Desert
Australia: Gibson Desert, Great Victorian Desert
Antarctica: Antarctic Desert