S1:          Hungary, with a population of about 10 million, lies between Czechoslovakia to the north and Yugoslavia to the south. P :           Here a great deal of grain is grown. Q :          In recent years, however, progress has been made also in the field of industrialisation. R :          Most of this country consists of an extremely fertile plain, through which the river Danube flows. S :           In addition to grain, the plain produces potatoes, sugar, wine and livestock. S6:          The new industries derive mainly from agricultural production. The Proper sequence should be: