Complex sentence: After reaching Kolašin, Đurišić's force separated from the Germans in order to relieve the pressure on the German route of march, and headed towards Bosnia, marching to the west of the Germans and bypassing Pljevlja.
Split into simpler sentences: After reaching Kolašin, Đurišić's force separated from the Germans to relieve pressure on the German route of march. They headed towards Bosnia, marching to the west of the Germans and bypassing Pljevlja.