 Complete the following phrase:  The competition was first held in 2006 under the name of Central Europe Development Tri Nations, with the aim of developing teams in central and eastern Europe. Up until 2009 the competition was made up of only three teams until it was expanded in 2010 to six teams split into two conferences; East and West. In 2011 the competition was reverted to three teams with Norway and Malta making their debuts. The competition was expanded again the year after though with four teams playing in winter between 201213. This was repeated again in the 201415 edition of the competition and was used for qualification for the 