Completed the following sentence: The 2012<unk>13 season began very well for Campbell as he qualified for the Wuxi Classic, where he reached the first ranking event semi-final of his 21-year professional career. Completed the following sentence: The 2012<unk>13 season began very well for Campbell as he qualified for the Wuxi Classic, where he reached the first ranking event semi-final of his 21-year professional career. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Campbell lost 2<unk>5 to Neil Robertson. Campbell qualified for the World Championship with a 10<unk>4 victory against Liam Highfield and played defending champion Ronnie O'Sullivan in the first round, who had taken a year away from snooker since lifting the title 12 months previously. Campbell qualified for the World Championship with a 10<unk>4 victory against Liam Highfield and played defending champion Ronnie O'Sullivan in the first round, who had taken a year away from snooker since lifting the title 12 months previously. Campbell qualified for the World Championship with a 10<unk>4 victory against Liam Highfield and played defending champion Ronnie O'Sullivan in the first round. Campbell missed opportunities in the first session to finish it 2<unk>7 behind and went on to lose 4<unk>10. ️<unk>Campbell was ranked world number 28 at the end of the season.