This Time Limited Series just started.
( At 00:00 UTC on Tuesday the 14th of November ).
You will have 6 days to complete those series.
( So to be finished before 00:00 UTC on Monday the 20th of November )
Minimum PR to complete the series will be 65.
Edit:
All stage 3 - 65.1 = R$ 847,400, 214 gold
Or 5332323 - 65.0 = R$ 914,600, 210 gold
( I did not test if these figures are correct, but trust my source )
