Β πRed's NotebookNote 4No UnderstandingNote 6No UnderstandingNote 1No UnderstandingNote VNo UnderstandingNote SNo UnderstandingNote 3Some UnderstandingNote 2Good UnderstandingNote ZGood UnderstandingNote XGood UnderstandingNote OGood UnderstandingNote 8Great UnderstandingNote 5Great UnderstandingNote JGreat Understanding