Hi @Yuli_ Welcome to our friendly community for CCFS. I understand your point. This has be voiced many times in the forum that the difficulty levels for some of the Classic levels are questionable. I think most of the Classic, Hard and Supper Hard levels are progressively more difficult. However, it has been well documented in the community (in the Support section) that some of the Classic levels in the 1000+ are quite hard. I personally don't pay too much attention to the difficulty rating for the levels. The rating has no bearing on how I play the game. I just try to complete the level with as little moves as possible. Good luck and enjoy CCFS!