Very likely both units will not have any bidder.
December end of year is dry season. Less ppl interested in hunting for houses.
Go holidays / prepare next year early year commitment etc.

Another 10% drop and re-auction next year time only will attract many bidders coz is too cheap. Price gonna end up higher than this current price. Haha.
Plenty of such cases. Ppl never learn.

As per my prediction.
Both units no bidder today.
Come January next year only ppl will come out fighting when price drop further 10% cheaper. And price will end much higher than the price today.
Haha. 

Another interesting case to share today.
Last month Jan auction at 648k, nobody interested.
Price drop to below 600k today, attracted 14 bidders. Haha.
No point guessing the price end up how much.
Plus this is not the only house from that area available in the lelong market, still got other choices.