451 (CDLI) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bobedi ngwagengsome wa 450s, ngwaga wa bomasomehlano tee ngwagengkgolo wa Ngwagakgolo 5, le ngwaga wa bomakgolo nne masomehlano tee ngwagengkete wa Ngwagakete 1.