*/
	public String toString() {
		
		String output = "  ";
		
		for ( V letter : alphabet ) {
			
			if ( !letter.equals("-1") ) {
				
				output += (" " + letter);
				
			}
			
		}
		
		output += "\n";
		
		for (int i = 1; i < transitions.length; i++) {
			
			output += " " + i;
			
			for (int j = 1; j < transitions[0].length; j++) {
				
				//if ( transitions[i][j] != 0 ) {
				
					output += " " + transitions[i][j];
				
				//}
				
			}
			
			output += "\n";
			
		}
		
		return output;
		
	}