 Complete the following phrase:  The first seedings update took place on 4 October 2010, after the Brugge Open, and points accumulated from the Northern Ireland Trophy, Shanghai Masters and Grand Prix during the 20082009 season were dropped. The seedings were next updated on 13 December 2010, after the UK Championship; the points accumulated from the Bahrain Championship and UK Championship during the 20082009 season were dropped. The final update occurred on 21 February 2011, after the 