Spreadsheet: 86522d1286481905-sorting-groups-of-rows-by-a-cell-in-that-group-example
Sheet: Sheet1

Customer Identifier | Date & Time
3173878 | 2010-08-17 09:15:04
1306075L | 2010-08-17 09:15:30
3202275 | 2010-08-18 06:54:33
2937308 | 2010-08-18 06:54:44
2318911 | 2010-08-18 06:54:49
3250641 | 2010-08-18 06:54:50
3677670 | 2010-08-18 06:54:58
3548543 | 2010-08-18 06:55:14
3437368 | 2010-08-18 06:55:16
2873853 | 2010-08-18 06:55:19
3063119 | 2010-08-18 06:55:25
2413629 | 2010-08-18 06:55:27
3631094 | 2010-08-18 06:55:52
1097340L | 2010-08-18 06:55:52
2548289 | 2010-08-18 06:55:57
576167L | 2010-08-18 06:56:02
3136418 | 2010-08-18 06:56:06
3398925 | 2010-08-18 06:56:09
3398925 | 2010-08-18 06:56:09
3257046 | 2010-08-18 06:56:12
2839706 | 2010-08-18 06:56:14
2958691 | 2010-08-18 06:56:16
3493350 | 2010-08-18 09:20:22
2839706 | 2010-08-18 12:15:19
2839706 | 2010-08-18 12:15:40
576167L | 2010-08-18 13:18:56
576167L | 2010-08-18 14:11:59
2772507 | 2010-08-18 15:15:53
2362398 | 2010-08-18 15:29:43
2415516 | 2010-08-18 21:28:21
3202275 | 2010-08-19 06:57:38
2937308 | 2010-08-19 06:57:47
2318911 | 2010-08-19 06:57:51
3250641 | 2010-08-19 06:57:52
3548543 | 2010-08-19 06:58:05
3437368 | 2010-08-19 06:58:06
2873853 | 2010-08-19 06:58:10
3063119 | 2010-08-19 06:58:16
2413629 | 2010-08-19 06:58:18
3631094 | 2010-08-19 06:58:44
1097340L | 2010-08-19 06:58:45
2548289 | 2010-08-19 06:58:48
576167L | 2010-08-19 06:58:54
3136418 | 2010-08-19 06:58:59
3398925 | 2010-08-19 06:59:00
3257046 | 2010-08-19 06:59:03
2839706 | 2010-08-19 06:59:05
807295L | 2010-08-19 06:59:06
2958691 | 2010-08-19 06:59:07
3195145 | 2010-08-19 06:59:13
3195145 | 2010-08-19 06:59:14
3723686 | 2010-08-19 10:20:34
2923532 | 2010-08-19 12:33:27
576167L | 2010-08-19 13:13:32
576167L | 2010-08-19 13:13:48
2937308 | 2010-08-19 14:19:08
576167L | 2010-08-19 14:19:43
3506120 | 2010-08-19 15:37:50
3113435 | 2010-08-19 16:30:49
576167L | 2010-08-19 23:13:23
576167L | 2010-08-20 01:21:09
3437368 | 2010-08-20 06:52:56
2413629 | 2010-08-20 06:53:01
3398925 | 2010-08-20 06:53:21
3257046 | 2010-08-20 06:53:24
2937308 | 2010-08-20 06:53:35
3195145 | 2010-08-20 06:53:38
3548543 | 2010-08-20 06:53:42
2958691 | 2010-08-20 06:54:15
2318911 | 2010-08-20 06:54:23
1097340L | 2010-08-20 06:54:31
2548289 | 2010-08-20 06:54:35
3136418 | 2010-08-20 06:54:40
3250641 | 2010-08-20 06:54:54
3631094 | 2010-08-20 06:55:01
2873853 | 2010-08-20 06:55:06
807295L | 2010-08-20 06:55:32
3264388 | 2010-08-20 10:09:06
3113435 | 2010-08-20 13:16:29
3507903 | 2010-08-20 18:06:11
2779613 | 2010-08-20 23:18:32
2808204 | 2010-08-22 15:09:03
576167L | 2010-08-23 11:21:14
3738123 | 2010-08-23 13:28:25
3446141 | 2010-08-23 13:55:38
3002566 | 2010-08-23 17:37:01
3631196 | 2010-08-23 18:17:22
3612931 | 2010-08-23 21:20:46
2927934 | 2010-08-24 23:16:50
3398925 | 2010-08-25 06:55:32
3398925 | 2010-08-25 06:55:37
2839706 | 2010-08-25 06:55:49
2958691 | 2010-08-25 06:55:51
3248583 | 2010-08-25 06:55:56
2812882 | 2010-08-25 06:56:01
3250641 | 2010-08-25 06:56:03
1097340L | 2010-08-25 06:56:27
3195145 | 2010-08-25 06:56:29
576167L | 2010-08-25 06:56:36
3437368 | 2010-08-25 06:56:42
3735790 | 2010-08-25 06:56:44
3136418 | 2010-08-25 06:56:44
2873853 | 2010-08-25 06:56:48
2316188 | 2010-08-25 12:14:16
2316188 | 2010-08-25 13:17:31
3220200 | 2010-08-25 13:17:47
2904166 | 2010-08-25 15:18:05
2454405 | 2010-08-25 15:32:24
3423060 | 2010-08-25 15:32:37
3716947 | 2010-08-25 21:53:26
3271964 | 2010-08-25 22:09:03
3571899 | 2010-08-26 01:10:33
3136418 | 2010-08-26 06:53:50
2958691 | 2010-08-26 06:53:58
3248583 | 2010-08-26 06:54:02
3250641 | 2010-08-26 06:54:12
2873853 | 2010-08-26 06:54:22
2812882 | 2010-08-26 06:54:36
3264388 | 2010-08-26 06:54:50
576167L | 2010-08-26 06:54:51
3398925 | 2010-08-26 06:54:53
3195145 | 2010-08-26 06:55:02
1097340L | 2010-08-26 06:55:17
3702603 | 2010-08-26 09:05:48
3740322 | 2010-08-26 09:05:50
576167L | 2010-08-26 11:14:14
576167L | 2010-08-26 11:14:22
576167L | 2010-08-26 12:19:51
3227935 | 2010-08-26 13:26:47
3398925 | 2010-08-26 15:26:02
3318897 | 2010-08-26 15:26:30
3562606 | 2010-08-26 15:40:55
3398925 | 2010-08-26 16:20:02
3398925 | 2010-08-26 16:20:06
3398925 | 2010-08-26 18:19:58
3398925 | 2010-08-26 21:56:04
2179868 | 2010-08-27 01:17:56
2777093 | 2010-08-27 06:56:42
1097340L | 2010-08-27 06:56:47
3136418 | 2010-08-27 06:56:55
3248583 | 2010-08-27 06:57:03
3250641 | 2010-08-27 06:57:13
3195145 | 2010-08-27 06:57:20
2958691 | 2010-08-27 06:57:41
2873853 | 2010-08-27 06:57:50
576167L | 2010-08-27 06:58:06
2812882 | 2010-08-27 06:58:38
3398925 | 2010-08-27 06:58:44
3398925 | 2010-08-27 06:58:45
3195145 | 2010-08-27 10:23:35
3501696 | 2010-08-27 11:30:40
2299557 | 2010-08-27 12:23:05
3741440 | 2010-08-27 13:42:47
2361341 | 2010-08-27 15:53:55
3720372 | 2010-08-27 18:30:34
3349505 | 2010-08-28 12:13:56
3720372 | 2010-08-28 17:32:17
3741832 | 2010-08-30 08:50:58
2580647 | 2010-08-30 10:53:23
3695672 | 2010-08-30 11:58:23
3720372 | 2010-08-30 20:47:17
3720372 | 2010-08-31 00:13:16
2677199 | 2010-08-31 11:11:25
3720372 | 2010-08-31 11:37:21
3737733 | 2010-08-31 12:18:36
1012613L | 2010-08-31 13:37:32
3742886 | 2010-08-31 13:50:54
3625787 | 2010-08-31 14:18:58
3739498 | 2010-08-31 16:16:26
2590234 | 2010-08-31 18:17:43
3741825 | 2010-08-31 21:22:37
3601498 | 2010-08-31 23:17:49
838955L | 2010-09-01 10:29:01
2953755 | 2010-09-01 10:29:51
3236811 | 2010-09-01 11:13:38
2035783 | 2010-09-01 13:26:34
3744365 | 2010-09-01 13:58:53
2525476 | 2010-09-01 14:22:25
3744642 | 2010-09-01 18:18:47
3601498 | 2010-09-01 22:22:01
3248583 | 2010-09-02 12:15:25
3471782 | 2010-09-02 12:15:59
3471782 | 2010-09-02 12:16:12
3663143 | 2010-09-02 13:40:35
3745444 | 2010-09-02 13:40:40
591318L | 2010-09-02 15:16:59
2958691 | 2010-09-02 15:17:20
1229353L | 2010-09-02 16:22:36
3601498 | 2010-09-02 21:58:57
3581921 | 2010-09-02 21:59:00
2958691 | 2010-09-03 01:22:11
1101953L | 2010-09-03 09:41:18
3685343 | 2010-09-03 13:22:36
3745422 | 2010-09-03 21:44:45
2710679 | 2010-09-03 21:58:30
2687731 | 2010-09-04 09:34:35
3601498 | 2010-09-04 22:09:49
3263016 | 2010-09-05 00:12:03
3398925 | 2010-09-05 14:09:47
3398925 | 2010-09-05 14:09:51
3398925 | 2010-09-05 14:09:51
3398925 | 2010-09-05 14:09:51
3398925 | 2010-09-05 15:11:21
3398925 | 2010-09-05 15:11:23
3398925 | 2010-09-05 16:14:07
544221L | 2010-09-06 10:37:20
563128L | 2010-09-06 11:20:56
2041159 | 2010-09-06 16:13:25
3718329 | 2010-09-06 17:16:57
3601498 | 2010-09-06 17:17:07
3601498 | 2010-09-06 18:16:14
974749L | 2010-09-06 23:12:49
3748289 | 2010-09-07 09:53:04
3748289 | 2010-09-07 09:53:05
3748289 | 2010-09-07 09:53:05
3748289 | 2010-09-07 09:53:06
3748289 | 2010-09-07 09:53:06
2274078 | 2010-09-07 10:23:21
2274078 | 2010-09-07 12:12:16
3425400 | 2010-09-07 12:12:49
858527L | 2010-09-07 13:21:56
3085748 | 2010-09-07 13:22:08
3339339 | 2010-09-07 14:19:17
1069063L | 2010-09-07 16:16:05
1069063L | 2010-09-07 16:16:12
2196275 | 2010-09-07 17:19:24
3745293 | 2010-09-07 17:19:34
3601498 | 2010-09-07 18:14:53
2196275 | 2010-09-07 21:57:29
2316188 | 2010-09-08 00:19:18
2316188 | 2010-09-08 00:19:24
3671596 | 2010-09-08 11:10:24
3459784 | 2010-09-08 11:11:01