title: How to align labels in different prototype cells in a custom cell view with constraints
body: <p>I have a custom cell view for a table. And i have 2 prototype cells. One for header and one for data. I have 3 labels in enach prototype cells. I can not align the label in header prototype cell with the label in data prototype cell with constraints.</p>
  
  <p>Thanks.</p>
  
  <h2>Header prototype</h2>
  
  <h2>Label1 --------- Label2 ----------- Label3-</h2>
  
  <p>Label1 ----------Label2 ------------Label3-
  Cell prototype</p>