ref.obs_zeroes revision 298258
1$FreeBSD: stable/10/bin/dd/ref.obs_zeroes 298258 2016-04-19 07:34:31Z thomas $ 200000000 41 42 43 44 45 46 47 48 00 00 00 00 00 00 00 00 |ABCDEFGH........| 300000010 4