2.5 months
								
								3.1 months
								
								n/a
								
								2.0 rounds
								
								2.0 reports
								
								easy
								
								3.1 months
								
								3.1 months
								
								n/a
								
								1.0 rounds
								
								1.0 reports
								
								n/a
								
								2.5 months
								
								2.5 months
								
								n/a
								
								1.0 rounds
								
								3.0 reports
								
								n/a
								
								2.9 months
								
								5.1 months
								
								n/a
								
								2.0 rounds
								
								2.0 reports
								
								moderate
								
								1.1 months
								
								1.4 months
								
								n/a
								
								2.0 rounds
								
								1.0 reports
								
								difficult
								
								5.3 months
								
								7.1 months
								
								n/a
								
								2.0 rounds
								
								3.0 reports
								
								difficult
								
								3.0 months
								
								4.5 months
								
								n/a
								
								2.0 rounds
								
								2.0 reports
								
								very easy
								
								1.6 months
								
								3.6 months
								
								n/a
								
								2.0 rounds
								
								2.0 reports
								
								difficult
								
								10.6 months
								
								10.6 months
								
								n/a
								
								1.0 rounds
								
								2.0 reports
								
								n/a
								
								2.0 months
								
								3.5 months
								
								n/a
								
								3.0 rounds
								
								3.0 reports
								
								difficult
								
								6.9 months
								
								8.7 months
								
								n/a
								
								3.0 rounds
								
								2.0 reports
								
								difficult
								
								2.0 months
								
								2.1 months
								
								n/a
								
								2.0 rounds
								
								2.0 reports
								
								easy
								
								3.7 months
								
								4.8 months
								
								n/a
								
								3.0 rounds
								
								2.0 reports
								
								very difficult