Meh, to free-draggably for me. Spoiler I solved the last bit by putting B's head on the lift, but not his body (B was horizontal). Then you can throw his head up and drag him over the win.
Mmh I know that it's absolutely a subjective concept,but As a player,I like to make new experiences and new researches,and As a creator,I want to give new experiences and new discoveries (Yes,it's the intended way)