Mirror flip not working https://gyazo.com/418be66571a2d28978515c3095f17450

It matches.

They are all the same
@ItsRay, it looks like you copied then inverse-pasted, but as long as you don't press i to insert keyframes, no keyframe, and therefore no pose, will be saved, unless you've activated the Automatic Keyframe Insertion button in the Timeline header bar, which would allow to automatically create the new keyframes, but I don't think you've activated it.