ts greatest — indeed, we ['929] must stand aside in those circumstances unless the lower court was "clearly wrong." Windham, 565 F.2d at 65; accord CGC Holding Co., LLC v. Hutchens, 773 F.3d 1076, 1086 (10th Cir. 2014) ("[A]s long as the district court applies the proper Rule 23 standard, we will defer to its