Panels showing the structure of the jet at various velocity intervals: Top left panel: highest velocity, projected velocities 140–170 km s⁻¹. Top right: high-velocity, projected velocities 110–140 km s⁻¹. Bottom left: intermediate velocity, projected velocities 80–110 km s⁻¹. Bottom right: lower velocity 60–80 km s⁻¹. The black dashed line shows the orientation of the jet axis. Contour levels are (for the blue- and redshifted emission respectively): 0.004 × (1,2,3,4,5) (panel a); 0.004 ×(1,2,4,8,16,32) (panel b); 0.004 × (1,5,10,20,50) Jy beam⁻¹kms⁻¹ (panels c and d).