3.0 months
3.5 months
n/a
2.0 rounds
2.0 reports
very easy
4.4 months
6.3 months
n/a
2.0 rounds
3.0 reports
moderate
4.2 months
10.2 months
n/a
1.7 rounds
1.0 reports
very difficult
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
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a