Lyα spectra for each of the regions in Fig. 6, showing flux as a function of wavelength. We normalized R3 by a factor of 3.5 to fit within the plot. The spectra were extracted from the original datacube (without AKS), but we applied a Gaussian smoothing of 2 pixels for visualization purposes. The error bars in the top-right corner represent 2σ for each region, estimated from wavelength ranges excluding the emission line (4600 − 4650 Å).