public static String hanoi(int nDisks, int fromPeg, int toPeg)
      {
   	 int helpPeg;
   	 String helpSol1, helpSol2, MyStep, mySol;   // Contains moves
    
   	 if ( nDisks == 1 )
	 {
   	    return fromPeg + " -> " + toPeg + "\n";
	 }
   	 else
   	  {
   	    helpPeg = 6 - fromPeg - toPeg;  

            // Delegate:
   	    helpSol1 = hanoi(nDisks-1, fromPeg, helpPeg);     
   	    helpSol2 = hanoi(nDisks-1, helpPeg, toPeg);  

            // Use the solutions of smaller problems to solve my problem: 
   	    MyStep = fromPeg + " -> " + toPeg + "\n"; 
	    mySol = helpSol1 + MyStep + helpSol2; // + = concatenate
   	    return mySol;;
   	  }
      }