code: private static String printAsShort(String s)
      {
          int index = 0;
          index = s.indexOf(":", index);
          index = s.indexOf(":", index + 1);
          index = s.indexOf(":", index + 1);
  
          return s.substring(0, index);
      }
docs: only show "n:k:x" from the long string version of a share: