Semakan sejarah "add two Natural numbers" (Z13521)
Diff selection: tandaai kutak rodiu mantad pongintangan kawagu do popibanding om todoso sumuang toi ko' bamban id siriba.
Lijon: (kur) = piadangan do versi kawawagu, (pogulu) = pisuayan do pongintangan kawagu nokopogulu, o = niditan tokoro.