Not a CF d'Orléans-Rouen class of engines but used on Ouest and then État services from Rouen to Orléans.
nˌɑːɾə sˌiːˈɛf dˈɔːɹleɪənzɹˈaʊən klˈæs ʌv ˈɛndʒɪnz bˌʌt jˈuːzd ˌɔn ˈaʊɪst ænd ðˈɛn ɪtˈæt sˈɜːvɪsᵻz fɹʌm ɹˈaʊən tʊ ˈɔːɹleɪənz.