import java.util.Arrays;



public class BurrowsWheelerTransformer 
{
	
	/*
	 * Invert the transformed sequence into the original text
	 */
	public byte[] invertTransform(byte[] input)
	{
		throw new RuntimeException("You must implement this method");
	}
	
	/*
	 * Transform the byte sequence from the reader using Burrows-Wheeler transformation
	 * Output the header (startIndex) and the transformed sequence to the writer
	 */
	public byte[] transform (byte[] input)
	{
		throw new RuntimeException("You must implement this method");
	}
	
}