No. 3496 to 3555 built 1929 by Entreprises Industrielles Charentaises as Lx10 (ten single 
compartments), later rebuilt to Lx16 or Lx20 (some or all compartments converted to double), 
some cars rebuilt to Spanish gauge, NIOE cars temporarily rebuilt to Russian gauge, VSOE 
cars rebuilt to Lx18 (one compartment converted to service or shower) and equipped with 
air-conditioning and modern bogies.