172 (CLXXII) ebile ngwagamolele wa go thoma ka Laboraro, ngwaga wa boraro ngwagengsome wa 170s, ngwaga wa bomasomešupa pedi ngwagengkgolo wa Ngwagakgolo 2, le ngwaga wa bolekgolo masomešupa pedi ngwagengkete wa Ngwagakete 1.