The XV Corps made flank attacks because the centre faced a dip either side of the Flers–Thilloy road. The 12th Division on the right attacked Grease Trench with the 2nd Hampshire and 4th Worcester battalions and the south-east end of Bayonet Trench with the 9th Essex battalion from the 35th Brigade. The 2nd Hampshire and the 4th Worcester took Grease Trench with few losses but then had many casualties trying to press on. The Worcester blocked Hilt Trench on the left after the 9th Essex were not able to advance, except for one company which got into Bayonet Trench and was then bombed out by counter-attacks from the flanks. On the left of the 30th Division the 2nd Green Howards almost reached the west end of Bayonet Trench before being stopped by showers of hand-grenades. Parties bombed up part of Bite Trench but reinforcements were stopped from moving up by the mud. On the left the 18th King's and 2nd Wiltshire attacked the Gird lines and found uncut wire on the right and enfiladed from the left, most of the 2nd Wiltshire being killed.