2.9 months
3.8 months
3 days
1.3 rounds
1.3 reports
very easy
3.6 months
6.0 months
6 days
2.3 rounds
2.5 reports
very difficult
2.2 months
2.8 months
11 days
1.9 rounds
2.1 reports
moderate
5.2 months
5.7 months
122 days
1.5 rounds
1.5 reports
difficult
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