Iter #50: -0.6912333965301514
Iter #100: -0.6924683451652527
Iter #150: -0.691339373588562
Iter #200: -0.6845301985740662
Iter #250: -0.6866059303283691
Iter #300: -0.6804441213607788
Iter #350: -0.688382089138031
Iter #400: -0.6828152537345886
