\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
 PNG

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
#
# reserved values
#
0	global
255	nowhere
254	host
253	link
#
# pseudo-reserved
#
200	site