@Override
	public int compareTo(DataChunk chunk) {
		DataChunk arg0 = (DataChunk)chunk;
		for (int i = arg0.getStart().length - 1; i >= 0; --i) {
			if (this.getStart()[i] == arg0.getStart()[i])
				continue;
			return this.getStart()[i] < arg0.getStart()[i] ? -1 : 1;
		}
		return 0;
		
	}