Location of test particles as injected from the mass center after the flight time T₀ = 12.7 Ga for the point mass M = 4 × 10¹² M_⊙ (the solid curves) and for the binary structure in perpendicular direction (the upper dashed curve) and in parallel direction (the lower dotted curve).The upper triplet of curves corresdonds to the standard model, while the lower triplet is for the Swiss cheese model.