title: get all nodes and relationships properties within closed circle
body: <p>Lets asume that John is selling goods to Met , Met is selling goods To both Bob and Alen , 
  and Alen sells goods to John again .
  What I need is a Cypher query that returns all the closed circles like in this example
  John..Met..Alen  because Alen sells goods to John again making it a closed circle displaying also the lowest amount of relationship property (amount) .How do I do this from entire database , get me all the closed circles and min amounths .Thanks!</p>