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
3.0 months
4.6 months
n/a
3.0 rounds
3.0 reports
very difficult
0.9 months
1.1 months
n/a
2.0 rounds
2.0 reports
very easy
5.4 months
7.7 months
59 days
1.6 rounds
1.7 reports
moderate