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A white, elongated, translucent object moves across a tiled wall with a blue and white marbled pattern, its motion appearing erratic and slightly blurred as it traverses the surface. The object, possibly a small fish or a piece of debris, drifts from the right side of the frame toward the left, then reverses direction and moves back to the right, creating a looping, back-and-forth motion against the static background of the tiled wall.