 Complete the following phrase:  From 56 January 1941 I.StG 1 staged from St Malo to Graz in Austria. By 23 January Hitschholds gruppe moved into airfields at Otopeni, north of Bucharest in Romania. Hitschold moved down to Kraynitsi, south-south-west of Sofia in Bulgaria. On 6 April the group mustered 39 Ju 87s for operations. On this date it supported Fliegerkorps VIII operations in the 