SMA observations of the ortho and para ﹩{{\rm{H}}}_{2}\mathrm{CO}﹩ lines. The top row show the velocity integrated line emission. The second row shows the red and blueshifted parts of the emission. Contour levels correspond to 3, 7, 10, 20× rms, where the rms is given in Table 1. The disk-integrated spectra is shown in the bottom row.