PNG IHDR . 9tEXtSoftware Matplotlib version3.3.0, https://matplotlib.org/:Zd pHYs N Nw# IDATxy\MmJmhe/`d7m0A0e2;!gO*!R~>=t>s?}y߳%DD`1 HM0+80S'c cL!@c)c1pa1N 1 1ƘB80S'c cL!@c)c1pa1N 1 1ƘB80S'c cL!@c)c1pa1N 1 >}ZjH$x) `ٲepvvD"-[_a[ɓ'pssJt