Linkage Blocks

“Linkage Blocks" is a logical puzzle game.
You need to move all the color grid to the target position with corresponding color by the linkage rule .
HOW TO PLAY?
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1. In an irregular abnormal-shaped board, target squares with different colors are distributed;
2. Move the color blocks by the direction keyboard, and all the color blocks will follow the linkage rule until they meet the boundary or obstacle block;
3. You need to move all the squares to the target position of the corresponding color to successfully challenge.
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