Before                                During                               After

press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
1/2