Bad Piggies 22-4

Bad Piggies 22-4 is the 19th level of Bad Piggies in Angry Birds.

Strategy
Use the Yellow bird to break the small block preventing the boulders from rolling. Once released, the boulders will crush the nearest tower. Fire a White bird straight ahead to topple the left tower. If you feel so inclined, another White bird may be used to detonate the TNT.