Prison Escape Drill

Using your IQ, draw the escape way for him to use his drill to dig the tunnel to freedom.
Be careful with all obstacles blocking him on the way. Optimize your route beforehand to draw the safest tunnel to escape from this puzzle. The power of the drill is limited, therefore, the longest tunnel might not be the best option to draw.
Use your brain to solve the puzzle and have fun with many different levels. Lincoln Escape Prison is free to play and hard to put down.