| Contours at 68.3\% and 95.5\% confidence levels indicated by the darker and lighter regions, respectively, for (left, red) $(x_{-}^{\Dstar \kaon}, y_{-}^{\Dstar \kaon})$ which is labelled $\Bm$ and (left, purple) $(x_{+}^{\Dstar \kaon}, y_{+}^{\Dstar \kaon})$ which is labelled $\Bp$, and (right) $(\Re(\xi^{\Dstar\pi}), \Im(\xi^{\Dstar \pi}))$, including only statistical uncertainty. The black points indicate the central values. |