Dacha Tactics #29 - light rebuild.

An interesting endgame from a blitz game of mine. Knight vs Bishop -- means that we are behind on light but ahead on dark. His d4 pawn might be a target one day -- who knows. His pawn on c6 is a nuisance and is on light. How to replenish, rebuild our light?

Interact with the puzzle below. If you get stuck, you can always click the "lightbulb" icon in the lower-left of the puzzle frame. Good luck!