Complex sentence: In March 2007,57 Division began advancing 15 km to the west of the A9 road, while from July 2007,58 Division (also known as the Task Force I) began advancing along A32 in the western coast.
Split into simpler sentences: In March 2007,57 Division began advancing 15 km to the west of the A9 road. From July 2007,58 Division (also known as the Task Force I) began advancing along A32 in the western coast.