title: seaching a repeated pattern in neo4j
body: <p>One bill of material relationship is composed of two relationships.
  I then find my component definition by searchin this relationship : <br></p>
  
  <p>(a:Part)-[:consumes]->(b:partBom)-[:referencedBy]->(c:Part) <br></p>
  
  <p>How can I repeat this pattern in a cypher request in order to find n levels of my bill of material ?</p>