H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H @ H H H H H H H H H H H H @ @ H H H H H H H H H H H H H @ @ H H H H H H H H H H H H H @ @ @ H H H H H H H H H H H H @ @ H H H H H H H H H H H H @ @ @ H H H H H H H H H H @ @ @ @ H H H H @ H H H H H H @ @ @ @ @ @ @ H H H @ @ H H H H H @ @ @ @ @ @ @ @ H H H H @ @ H H H H H @ @ @ @ @ H H H H @ @ H H H H H @ @ @ @ H H H H @ @ @ H H H H H H @ @ @ H H H H @ @ H H H H H H @ @ H H H H @ @ H H H H H @ @ @ @ @ @ H H H H @ @ H H H H H H @ @ @ @ @ @ @ @ H H H @ @ @ H H H H H @ @ @ @ @ @ @ @ H H H @ @ @ H H H H @ @ @ @ @ @ @ @ H H H H @ @ @ H H H H H @ @ @ @ @ @ H H H @ @ @ @ H H H H @ @ @ @ @ @ @ H H H @ @ @ H H H H @ @ @ @ @ @ H H @ @ @ @ H H H @ @ @ @ H H @ @ @ @ H H @ @ @ @ @ @ H @ @ @ @ @ H @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @