How do I solve the Herla (Iceland) Gold Quest?

Please tell me, what strategy should I use? How am I supposed to melt the ice cubes at the lower left and the lower right corners?

This is a 4 step method. Restart your board until you have two jewels matching the same color at the bottom of the outermost columns, such as 2 red, or green, etc.
Move all the jewels down to unfreeze all the ice blocks, but do not match the bottom 2 jewels on the outside before it is unfrozen. it may take seval tries to get the same color jewels on the outside columns before begining.