n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
1.1 months
1.4 months
n/a
2.0 rounds
1.0 reports
very easy
2.1 months
2.4 months
n/a
1.3 rounds
3.3 reports
moderate
2.6 months
5.1 months
n/a
1.7 rounds
1.7 reports
difficult
8.0 months
8.6 months
8 days
2.0 rounds
1.0 reports
easy