 Complete the following phrase:  53rd Welsh Division was not involved in the first landings on D Day; 158th Bde sailed to Normandy on 20 June 1944 and landed at La Rivière on Gold Beach four days later. On the night of 2930 June the division began moving into Scottish Corridor to relieve the 15th Scottish Division, which had battered its way into the enemy lines during the Battle of the Odon Operation Epsom; the relief was completed on 12 July. 53rd Welsh Division played a minor part in the next offensive phase, 