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In this game, you must arrange the colors in order, so that all rows or all columns have the same color. To do this, you can click on two colors with the mouse (that are adjacent vertically or horizontally) to swap their locations. Another way to think about it is that you are trying to create a gradient, where the colors gradually change from one to the next. You can do this by either swapping adjacent colors or by dragging a color from one spot to another.
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