A gas giant with "dozens of moons," located in Arkonian space and encountered by Enterprise NX-01 in 2152, was referred to as being "like a gravitational jigsaw puzzle." (ENT: "Dawn") After Captain Jean-Luc Picard, Klingon Captain Nu'Daq, and Cardassian Gul Ocett combined their DNA patterns they found out that one piece was still missing. Captain Picard compared this DNA program with a jigsaw puzzle. (TNG: "The Chase" )