Fakkeenyaaf, telefoonni A meetira 60 yoo narraa fagoo jiraate, telefoonni B ammoo meetira 120 yoo narraa fagaate, telefoonni C meetira 180 yoo narraa fogoo jiraate, ani yoo ergaa kiyya telefoona C kan meetira 180 narraa fagaatutti erge, telefoonota A fi B keessa dabree isa C bira dhaqa.
