any sort wizards here?  how would you sort numerically by the number
in the last(sixth) field:

 1618 2015-07-30Thu19:20:16 01e6 : 01e6 ,s/1
 1868 2015-08-13Thu05:09:27  1e6 : 1e6 ,s/10
 2800 2015-08-17Mon12:37:11 00e6 :ro 00e6 ,s/1000
 2750 2015-08-17Mon12:34:45 00e6 :ro 00e6 ,s/104
 2886 2015-08-13Thu05:46:47 00e6 : 00e6 ,s/11
 2515 2015-08-17Mon12:34:36 00e6 :ro 00e6 ,s/14
 1161 2014-11-13Thu06:19:06 10e6 : 10e6 ,s/2
 2686 2015-08-17Mon12:34:36 00e6 :ro 00e6 ,s/2
  974 2014-08-28Thu06:10:59 10e6 : 10e6 ,s/2
 2921 2015-08-17Mon12:55:08 32e6 : 32e6 ,s/8
 2899 2015-08-13Thu06:12:28 10e6 : 10e6 ,s/9