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1·Note that as you move from one tile to the next in a given row, the image is flipped horizontally, and as you move from one tile to the next in a given column, the image is flipped vertically.

请注意，在给定行中从一个平铺图像移到下一个时，图像将水平翻转；在给定列中从一个平铺图像移到下一个时，图像将被垂直翻转。