What is the quickest way to reorganize a tilemap in Unity?

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The quickest way to reorganize a tilemap in Unity is to use the "Select" tool in the "Tile Palette" window to select the tiles that need to be moved, then use the "Move" tool to drag and drop them into the desired position. Additionally, Unity provides many tools for editing tilemaps, including the ability to cut, copy, and paste tiles, to create and use prefabs, and to use snapping and alignment guides to ensure precise positioning.