Assuming that component C6 is ejected by a single black hole, we applied the precession model and the solution with γ< 30 is a mirage solution, that is, the curve χ²(i_o) is convex and it does not show a minimum; moreover, the bulk Lorentz factor γ diverges when i_o → 17°. Top panel: curve χ²(i_o) is convex and it does not show a minimum. Bottom panel: bulk Lorentz factor γ diverges when i_o → 17°.