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From Jinlong Chen:
this is a free easy-to-use puzzle game. in which you will become a plumber .Rotate the pipes to form a path from the valve to the end. Touch the pipes to rotate and finally touch the valve to let the water flow.Once you play very well, you will enter into the next stage smoothly.When finish one level, it's unlocked, you can try this level at anytimeFail to get the water before time runs out, and our poor constipated friend will have an accident! Succeed and you will see him relieved. So dont keep him waiting!