code: public AsymmMultiPos<S, String, String> setBetnNext(String leftSameWithRight) {
  		return new AsymmMultiPos<S, String, String>(leftSameWithRight, leftSameWithRight) {
  			
  			@Override protected S result() {
  				if (Strs.isEmpty(asymmLR)) {
  					return delegateQueue('N', left, right, pos, position, inclusive, plusminus, filltgt);
  				} else { return delegateQueue('Z', left, left, pos, asymmLR, inclusive, plusminus, filltgt); }
  			}
  		};
  	}
docs: Sets the substrings in given same left tag and right tag as the result string, Adjacent tag matches
  <p><b>The look result same as {@link StrMatcher#finder()}'s behavior</b>
  
  @see StrMatcher#finder()
  @param leftSameWithRight
  @return