PNG IHDR 5 sBIT|d pHYs a a?i 9tEXtSoftware matplotlib version 3.0.3, http://matplotlib.org/ IDATxy|Lg?&HhMcIľAlE T51J7Mh{Z[jVSF,!XX$ 1sYLI̜G33s̜Wsu)A@DDDDQEr1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ٴ+WBPĉ]644ezP4mڴLϵrXǧ|v\R_x <<