Lens system configuration of KMT-2022-BLG-1479 for the two higher-order models with u₀ > 0 and u₀ < 0. In each panel, the trajectory of the source is indicated by the arrowed curve. The red and blue concave curves represent the caustics at the times specified in the legend The positions of the lens components are marked by filled dots, with the larger dot corresponding to the more massive lens component.