Which trials should i do?

[uniqueness]

I have the remaining papers:
- Stav 2009,2010
- Lisachem 2008,2009,2012
- CSE 2008,2009,2010
- Insight 2012
- Engage
- Study on chem
- Heinemann from student CD
- All TSSM and TSFX

Obviously i can't do them all in the remaining time, so which ones out of my list would you guys recommend?
Which ones have you found useful or worth doing?
I need suggestions please! because i don't want to be wasting my precious remaining days doing a crappy paper...

[AllAboutTheLGs]

Lisachem ones, Insight 2012, Stav ones. Engage is pretty good too
Also go through VCAA ones looking through the assessment reports seeing what people stuff up in a lot (likely to come up again in future)
CSE are mostly easy, TSSM and TSFX arent the best and are pretty useless. (TSSM poorly written, TSFX irrelevant)