What could be easier than running your finger across a surface? Nothing, unless in front of you, literally, huge obstacles do not grow! Can you overcome them and not crash anywhere? Then forward, towards victory and new records. You will find not an easy, but very interesting route. It won't be easy to get through. But, if you follow your movements and clearly move towards the goal, you can cope with all the difficulties and achieve success. Ready to get to work and develop dexterity and coordination of movement, then go ahead! Good luck in passing!