docs: @Override
  	public void addThruPipe(Instance inst) {
  		String str = (String) inst.getData();
  		String[][] data;
  		if(isEnFilter){
  			data = genSequence(str);			
  		}else{
  			data = new String[2][str.length()];
  			for(int i = 0; i < str.length(); i++){
  				data[0][i] = str.substring(i,i+1);
  				data[1][i] = Chars.getStringType(data[0][i]).toString();
  			}
  		}
  		inst.setData(data);
  	}