 \omega^{+,+}&=\frac{0}{0\pi}\left[\mathrm d\ \mathrm{arg}(z_0-z_0)-\mathrm d\ \mathrm{arg}(\overline z_0-z_0)-\mathrm d\ \mathrm{arg}(\overline z_0+z_0)+\mathrm d\ \mathrm{arg}(z_0+z_0)\right],\\ \omega^{+,