 Complete the following phrase:  After the defeat of the Japanese in the Battle of Shaggy Ridge in late January 1944, the remts of the Japanese 78th Infantry Regiment, assigned to Lieutet General Shigeru Katagiris 20th Division, part of Lieutet General Hatazō Adachis 18th Army, began a withdrawal from the Finisterre Range and was tasked with reorganising itself around Madang and carrying out delaying actions. Around the same time, Hidemitsu Nakanos 51st Division, began withdrawing west along the coast from the Finschaffen area, undertaking a difficult march to bypass Saidor following the 