Water Sort Puzzle 2 is undoubtedly one of the most popular puzzle games this year, simple but very interesting, allowing you to challenge yourself! Your task is to classify all the liquids in the test tubes according to different colors, and each test tube can only have one color of liquid. If you don't know how to classify, you can add an additional test tube as an auxiliary container, which can reduce the difficulty of the game and make it easier for you to classify liquids.