Huarong Dao (Klotski)
Slide the blocks to help the 2x2 block (Cao Cao) reach the bottom center. Move one cell at a time.
About Huarong Dao
Huarong Dao, also known as Klotski, is a classic sliding block puzzle. The common "Classic" arrangement is used here.
Each move shifts a selected block by one cell into available space. Careful planning is required to free the path for the 2x2 block.
Background texture image: Grunge colored wood texture.JPG via Wikimedia Commons (CC BY-SA 4.0).
FAQ
What is the minimum number of moves?
For the classic "Heng Dao Li Ma" layout used here, the minimum number of moves to solve it is 81.
Who is Cao Cao?
Cao Cao was a famous warlord from the Three Kingdoms period in Chinese history. In this puzzle, he is trying to escape through the Huarong Pass.
Why can't I move a block?
You can only move a block if there is an empty adjacent space (either horizontally or vertically) that fits the block's size.