Contours of the H₂O 1₁₀–1₀₁ emission integrated in three different velocity intervals, superimposed onto the CO(3–2) emission in the same velocity bins (gray scale). The velocity ranges with respect to the systemic velocity of V_LSR = 4.7 km s^-1, are shown in the upper side of each panel. Green crosses mark the positions of the different sources (see Fig. 1).