PNG IHDR , =T sRGB eXIfMM * V ^( 1 2 fi d d Matplotlib version3.10.3, https://matplotlib.org/ , Z pHYs a a?i iTXtXML:com.adobe.xmp 1 Matplotlib version3.10.3, https://matplotlib.org/ -ǟ @ IDATx\G4{RQӍ$&$1yMf51&Dc; bAR̹qKewg癝ݳ