n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
2.1 months
3.7 months
n/a
2.0 rounds
2.5 reports
very easy
3.0 months
6.0 months
n/a
2.0 rounds
2.0 reports
very difficult
4.8 months
9.7 months
n/a
1.3 rounds
2.5 reports
difficult