... 12:58:03 User 1 sign on 12:59:03 User 1 sign off 12:59:25 User 2 sign on 12:59:50 User 3 sign on 13:00:00 REPORT: online: (2-12:59:25,3-12:59:50) 13:02:23 User 4 sign on 13:03:12 User 3 sign off 13:04:23 User 4 sign off 13:04:34 User 5 sign on 13:06:52 User 5 sign off ...