The 2nd Battalion, King's Own Yorkshire Light Infantry (2nd KOYLI) was on the right flank, with three companies for the attack and one in support, the 16th Battalion, Highland Light Infantry to its left, then the 11th Battalion, Border Regiment (11th Border) and 17th Battalion, Highland Light Infantry (17th HLI), each with two companies leading and two in support and 15th LF on the left flank (which had been holding the line with 16th Battalion, Northumberland Fusiliers (16th NF) since the night of 30 November/1 December) with three assault companies and one in support on a 1850 yards front, from Teall Cottage to the north-east of Tournant Farm.