Nonparametric source modeling results for the blue and red bins of the CO(6−5) emission. First row: Blue peak in the CO(6−5) spectrum. Second row: Red peak in the CO(6−5) spectrum. The first column shows the dirty image as produced by PYAUTOLENS with contours shown at 3, 4, 5, 6, 7, 8, 9, 10σ levels. Note: this is not a cleaned image and structures may look slightly different than those shown in cleaned images. The second column shows the dirty model image as produced by PYAUTOLENS with contours shown at 3, 4, 5, 6, 7, 8, 9, 10σ levels. The third column shows the dirty residual image produced by PYAUTOLENS with contours shown at −3, −2, 2, 3, 4, 5σ levels. The fourth column shows the image plane emission nonparametric model of the data produced by PYAUTOLENS. The black line represents the critical line. The fifth column shows the source plane emission nonparametric model of the data produced by PYAUTOLENS. The black line represents the caustic line. All images are centered around the ALMA phase center for each image. Note: the H₂O⁺ emission is of significantly lower angular resolution as the lensing model was created using the combined data, as described in Sect. 2.