(a) Schematic illustration of cowboy (top) and sailor (bottom) track topologies for like-sign pairs; (b) Projection of the correlator $R_{2}^{\rm (--)}$onto $\Delta\varphi$ for LS pairs in the range $|\Delta\eta|< 0.11$; and (c) in the range $0.32 \le \Delta\eta < 0.53$.