0.3 months
0.5 months
n/a
2.0 rounds
2.0 reports
difficult
2.8 months
4.7 months
n/a
2.0 rounds
1.8 reports
moderate
6.7 months
18.7 months
n/a
1.5 rounds
1.8 reports
moderate
1.3 months
1.4 months
n/a
1.7 rounds
1.3 reports
very easy
5.5 months
5.5 months
n/a
1.0 rounds
1.0 reports
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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