Manacher's Algorithm

Am I the only one who, even after reading about it, checking videos about it, still can't fully understand and implement it? Like I get the idea of expand around the middle, but the rest of the explan

Am I the only one who, even after reading about it, checking videos about it, still can't fully understand and implement it? Like I get the idea of expand around the middle, but the rest of the explanation just doesn't make sense to me. Anyways.