ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 04 00 00 00 04 08 04 00 00 00 03 f8 56	.PNG........IHDR...............V
0020	f5 00 00 00 01 73 52 47 42 00 ae ce 1c e9 00 00 00 1d 49 44 41 54 08 99 35 c9 b1 01 00 20 00 c3	.....sRGB.........IDAT..5.......
0040	20 e2 ff 3f d7 45 59 c9 40 d9 90 e3 e9 d7 05 5a 67 04 05 11 61 4e 2e 00 00 00 00 49 45 4e 44 ae	[email protected].
0060	42 60 82	B`.