The Blackholes is main problem in this level, It can obstruct to create special gems when destroy space. Because Stone-clearing must be used Special Gems effect.
But Chambers is helpful to create special gems and useful to complete this level.
Create many Special Gems such as Flame Gems , Star Gems as you can. Their effect can clear Crystal and Stone incresingly and less move using, because more remain moves can be changed to more bonus scores. You can collect more stars.