TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.1.2,865328069132339,70753797840322,
poweron reason:0

===02:40:33===
2023-05-20 02:39:41>>>cash read=0A
2023-05-20 02:39:42>>>cash read=3E


===03:25:33===
2023-05-20 03:25:22>>>cash read=0A
2023-05-20 03:25:23>>>cash read=3E


===03:52:33===
2023-05-20 03:52:24>>>cash read=0A
2023-05-20 03:52:26>>>cash read=3E


===08:32:34===
2023-05-20 08:31:52>>>cash read=9E
2023-05-20 08:31:54>>>cash read=3E


===10:07:34===
2023-05-20 10:07:17 >>>回调事件[910,devices/TL1931]
隔日重置时间戳true
隔日清空未同步下发列表true
2023-05-20 10:07:17 >>>故障排除日志:上一MQTT订单号缓存列表为23051923113077815972
2023-05-20 10:07:17 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 10:07:17 开始打印,排队:1,票券:2305201007108449067301,订单:23052010071084459882,[2023-05-20 10:07:10微信支付15元]
2023-05-20 10:07:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201007108449067301","queue_number":1,"trade_uid":"23052010071084459882"}]}
2023-05-20 10:07:19 >>>故障排除日志:删除未同步下发订单成功23052010071084459882
2023-05-20 10:07:19 >>>故障排除日志:终端同步成功后剩余订单列表


===10:35:35===
2023-05-20 10:34:59>>>cash read=29
2023-05-20 10:34:59 >>>回调事件130,cash_status,20029,退钞中
2023-05-20 10:35:00>>>cash read=3E
2023-05-20 10:35:02>>>cash read=00
2023-05-20 10:35:02>>>cash read=818F42
2023-05-20 10:35:02>>>cash write=02
2023-05-20 10:35:02 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-05-20 10:35:03>>>cash read=10
2023-05-20 10:35:03 >>>回调事件130,10,10023,finish Money=10,进钞完成
上一时间戳为1684548437
2023-05-20 10:35:04>>>cash write=0C
2023-05-20 10:35:04>>>cash read=3E


===10:36:35===
2023-05-20 10:35:35 >>>开始未足额打印,排队号为2,订单号为2305201035030019311233
2023-05-20 10:35:35 订单投币结束,共投币10元,请取走您的小票
2023-05-20 10:35:35>>>订单2305201035030019311233写入成功,剩余空间为1680500,占用RAM为628.1728515625
删除未同步订单2305201035030019311233
2023-05-20 10:35:37>>>订单2305201035030019311233删除成功,剩余空间为1681500,占用RAM为614.63671875
检测订单目录中>>>
无未同步订单>>>
2023-05-20 10:35:37 >>>当前Ram内存为578.2802734375
定时检测未同步订单启用


===10:37:36===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===10:44:36===
2023-05-20 10:44:01 >>>回调事件[910,devices/TL1931]
2023-05-20 10:44:01 >>>故障排除日志:上一MQTT订单号缓存列表为23052010071084459882
2023-05-20 10:44:01 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 10:44:01 开始打印,排队:3,票券:2305201043496217921501,订单:23052010434962172736,[2023-05-20 10:43:49微信支付10元]
2023-05-20 10:44:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201043496217921501","queue_number":3,"trade_uid":"23052010434962172736"}]}
2023-05-20 10:44:03 >>>故障排除日志:删除未同步下发订单成功23052010434962172736
2023-05-20 10:44:03 >>>故障排除日志:终端同步成功后剩余订单列表


===11:21:36===
2023-05-20 11:20:47 >>>回调事件[910,devices/TL1931]
2023-05-20 11:20:47 >>>故障排除日志:上一MQTT订单号缓存列表为23052010434962172736
2023-05-20 11:20:47 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 11:20:47 开始打印,排队:4,票券:2305201120417477846101,订单:23052011204174772564,[2023-05-20 11:20:41微信支付15元]
2023-05-20 11:20:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201120417477846101","queue_number":4,"trade_uid":"23052011204174772564"}]}
2023-05-20 11:20:49 >>>故障排除日志:删除未同步下发订单成功23052011204174772564
2023-05-20 11:20:49 >>>故障排除日志:终端同步成功后剩余订单列表


===11:28:36===
2023-05-20 11:28:19 >>>回调事件[910,devices/TL1931]
2023-05-20 11:28:19 >>>故障排除日志:上一MQTT订单号缓存列表为23052011204174772564
2023-05-20 11:28:19 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 11:28:19 开始打印,排队:5,票券:2305201128128003598001,订单:23052011281280029531,[2023-05-20 11:28:12支付宝支付10元]
2023-05-20 11:28:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201128128003598001","queue_number":5,"trade_uid":"23052011281280029531"}]}
2023-05-20 11:28:21 >>>故障排除日志:删除未同步下发订单成功23052011281280029531
2023-05-20 11:28:21 >>>故障排除日志:终端同步成功后剩余订单列表


===11:46:37===
2023-05-20 11:46:06 >>>回调事件[910,devices/TL1931]
2023-05-20 11:46:07 >>>故障排除日志:上一MQTT订单号缓存列表为23052011281280029531
2023-05-20 11:46:07 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 11:46:07 开始打印,排队:6,票券:2305201145595261299101,订单:23052011455952606431,[2023-05-20 11:45:59微信支付10元]
2023-05-20 11:46:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201145595261299101","queue_number":6,"trade_uid":"23052011455952606431"}]}
2023-05-20 11:46:09 >>>故障排除日志:删除未同步下发订单成功23052011455952606431
2023-05-20 11:46:09 >>>故障排除日志:终端同步成功后剩余订单列表


===12:30:37===
2023-05-20 12:29:50 >>>回调事件[910,devices/TL1931]
2023-05-20 12:29:51 >>>故障排除日志:上一MQTT订单号缓存列表为23052011455952606431
2023-05-20 12:29:51 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 12:29:51 开始打印,排队:7,票券:2305201229454465520801,订单:23052012294544646991,[2023-05-20 12:29:45微信支付15元]
2023-05-20 12:29:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201229454465520801","queue_number":7,"trade_uid":"23052012294544646991"}]}
2023-05-20 12:29:53 >>>故障排除日志:删除未同步下发订单成功23052012294544646991
2023-05-20 12:29:53 >>>故障排除日志:终端同步成功后剩余订单列表


===12:45:37===
2023-05-20 12:45:00 >>>回调事件[910,devices/TL1931]
2023-05-20 12:45:00 >>>故障排除日志:上一MQTT订单号缓存列表为23052012294544646991
2023-05-20 12:45:00 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 12:45:00 开始打印,排队:8,票券:2305201244526794990601,订单:23052012445267943403,[2023-05-20 12:44:52微信支付15元]
2023-05-20 12:45:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201244526794990601","queue_number":8,"trade_uid":"23052012445267943403"}]}
2023-05-20 12:45:02 >>>故障排除日志:删除未同步下发订单成功23052012445267943403
2023-05-20 12:45:02 >>>故障排除日志:终端同步成功后剩余订单列表


===12:47:37===
2023-05-20 12:46:58 >>>回调事件[910,devices/TL1931]
2023-05-20 12:46:58 >>>故障排除日志:上一MQTT订单号缓存列表为23052012445267943403
2023-05-20 12:46:58 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 12:46:58 开始打印,排队:9,票券:2305201244353409216101,订单:23052012443534084906,[2023-05-20 12:44:35微信支付10元]
2023-05-20 12:47:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201244353409216101","queue_number":9,"trade_uid":"23052012443534084906"}]}
2023-05-20 12:47:00 >>>故障排除日志:删除未同步下发订单成功23052012443534084906
2023-05-20 12:47:00 >>>故障排除日志:终端同步成功后剩余订单列表


===13:17:38===
2023-05-20 13:16:43 >>>回调事件[910,devices/TL1931]
2023-05-20 13:16:43 >>>故障排除日志:上一MQTT订单号缓存列表为23052012443534084906
2023-05-20 13:16:43 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 13:16:43 开始打印,排队:10,票券:2305201316384809210301,订单:23052013163848083837,[2023-05-20 13:16:38微信支付30元]
2023-05-20 13:16:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201316384809210301","queue_number":10,"trade_uid":"23052013163848083837"}]}
2023-05-20 13:16:45 >>>故障排除日志:删除未同步下发订单成功23052013163848083837
2023-05-20 13:16:45 >>>故障排除日志:终端同步成功后剩余订单列表


===15:36:43===
2023-05-20 15:35:54 >>>回调事件[910,devices/TL1931]
2023-05-20 15:35:54 >>>故障排除日志:上一MQTT订单号缓存列表为23052013163848083837
2023-05-20 15:35:54 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 15:35:54 开始打印,排队:11,票券:2305201535471648294301,订单:23052015354716475289,[2023-05-20 15:35:47支付宝支付15元]
2023-05-20 15:35:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201535471648294301","queue_number":11,"trade_uid":"23052015354716475289"}]}
2023-05-20 15:35:56 >>>故障排除日志:删除未同步下发订单成功23052015354716475289
2023-05-20 15:35:56 >>>故障排除日志:终端同步成功后剩余订单列表


===15:55:44===
2023-05-20 15:55:23 >>>回调事件[910,devices/TL1931]
2023-05-20 15:55:23 >>>故障排除日志:上一MQTT订单号缓存列表为23052015354716475289
2023-05-20 15:55:23 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 15:55:23 开始打印,排队:12,票券:2305201555116158543201,订单:23052015551161578438,[2023-05-20 15:55:11微信支付15元]
2023-05-20 15:55:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201555116158543201","queue_number":12,"trade_uid":"23052015551161578438"}]}
2023-05-20 15:55:25 >>>故障排除日志:删除未同步下发订单成功23052015551161578438
2023-05-20 15:55:25 >>>故障排除日志:终端同步成功后剩余订单列表


===16:12:44===
2023-05-20 16:12:30 >>>回调事件[910,devices/TL1931]
2023-05-20 16:12:30 >>>故障排除日志:上一MQTT订单号缓存列表为23052015551161578438
2023-05-20 16:12:30 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 16:12:30 开始打印,排队:13,票券:2305201612207822964301,订单:23052016122078222573,[2023-05-20 16:12:20微信支付10元]
2023-05-20 16:12:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201612207822964301","queue_number":13,"trade_uid":"23052016122078222573"}]}
2023-05-20 16:12:32 >>>故障排除日志:删除未同步下发订单成功23052016122078222573
2023-05-20 16:12:32 >>>故障排除日志:终端同步成功后剩余订单列表


===16:24:45===
2023-05-20 16:24:21 >>>回调事件[910,devices/TL1931]
2023-05-20 16:24:21 >>>故障排除日志:上一MQTT订单号缓存列表为23052016122078222573
2023-05-20 16:24:21 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 16:24:22 开始打印,排队:14,票券:2305201624173616072701,订单:23052016241736155189,[2023-05-20 16:24:17微信支付15元]
2023-05-20 16:24:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201624173616072701","queue_number":14,"trade_uid":"23052016241736155189"}]}
2023-05-20 16:24:24 >>>故障排除日志:删除未同步下发订单成功23052016241736155189
2023-05-20 16:24:24 >>>故障排除日志:终端同步成功后剩余订单列表


===16:35:45===
2023-05-20 16:34:58 >>>回调事件[910,devices/TL1931]
2023-05-20 16:34:58 >>>故障排除日志:上一MQTT订单号缓存列表为23052016241736155189
2023-05-20 16:34:58 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 16:34:58 开始打印,排队:15,票券:2305201634530778381201,订单:23052016345307773484,[2023-05-20 16:34:53微信支付15元]
2023-05-20 16:35:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201634530778381201","queue_number":15,"trade_uid":"23052016345307773484"}]}
2023-05-20 16:35:00 >>>故障排除日志:删除未同步下发订单成功23052016345307773484
2023-05-20 16:35:00 >>>故障排除日志:终端同步成功后剩余订单列表


===16:46:45===
2023-05-20 16:46:04 >>>回调事件[910,devices/TL1931]
2023-05-20 16:46:04 >>>故障排除日志:上一MQTT订单号缓存列表为23052016345307773484
2023-05-20 16:46:04 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 16:46:04 开始打印,排队:16,票券:2305201645570192652001,订单:23052016455701916925,[2023-05-20 16:45:57支付宝支付15元]
2023-05-20 16:46:06 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201645570192652001","queue_number":16,"trade_uid":"23052016455701916925"}]}
2023-05-20 16:46:06 >>>故障排除日志:删除未同步下发订单成功23052016455701916925
2023-05-20 16:46:06 >>>故障排除日志:终端同步成功后剩余订单列表


===17:02:46===
2023-05-20 17:02:34>>>cash read=0A
2023-05-20 17:02:35>>>cash read=3E


===17:32:46===
2023-05-20 17:31:45>>>cash read=0A
2023-05-20 17:31:46>>>cash read=3E


===17:52:46===
2023-05-20 17:52:26 >>>回调事件[910,devices/TL1931]
2023-05-20 17:52:26 >>>故障排除日志:上一MQTT订单号缓存列表为23052016455701916925
2023-05-20 17:52:26 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 17:52:26 开始打印,排队:17,票券:2305201752188466581801,订单:23052017521884659065,[2023-05-20 17:52:18微信支付10元]
2023-05-20 17:52:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201752188466581801","queue_number":17,"trade_uid":"23052017521884659065"}]}
2023-05-20 17:52:28 >>>故障排除日志:删除未同步下发订单成功23052017521884659065
2023-05-20 17:52:28 >>>故障排除日志:终端同步成功后剩余订单列表


===18:28:46===
2023-05-20 18:27:46>>>cash read=00
2023-05-20 18:27:47>>>cash read=818F42
2023-05-20 18:27:47>>>cash write=02
2023-05-20 18:27:47 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-05-20 18:27:47>>>cash read=10
2023-05-20 18:27:47 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-05-20 18:27:47 >>>开始打印,排队号为18,订单号为2305201827470019317146
2023-05-20 18:27:47>>>订单2305201827470019317146写入成功,剩余空间为1680500,占用RAM为596.4912109375
删除未同步订单2305201827470019317146
2023-05-20 18:27:49>>>订单2305201827470019317146删除成功,剩余空间为1680500,占用RAM为607.052734375
检测订单目录中>>>
无未同步订单>>>
2023-05-20 18:27:50 >>>当前Ram内存为578.421875
定时检测未同步订单启用
2023-05-20 18:27:50>>>cash write=0C
2023-05-20 18:27:51>>>cash read=3E


===18:29:47===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===18:41:47===
2023-05-20 18:40:55 >>>回调事件[910,devices/TL1931]
2023-05-20 18:40:55 >>>故障排除日志:上一MQTT订单号缓存列表为23052017521884659065
2023-05-20 18:40:55 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 18:40:55 开始打印,排队:19,票券:2305201840495467833501,订单:23052018404954666725,[2023-05-20 18:40:49支付宝支付15元]
2023-05-20 18:40:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201840495467833501","queue_number":19,"trade_uid":"23052018404954666725"}]}
2023-05-20 18:40:57 >>>故障排除日志:删除未同步下发订单成功23052018404954666725
2023-05-20 18:40:58 >>>故障排除日志:终端同步成功后剩余订单列表


===18:53:47===
2023-05-20 18:53:41 >>>回调事件[910,devices/TL1931]
2023-05-20 18:53:41 >>>故障排除日志:上一MQTT订单号缓存列表为23052018404954666725
2023-05-20 18:53:41 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 18:53:41 开始打印,排队:20,票券:2305201853361668789801,订单:23052018533616681857,[2023-05-20 18:53:36支付宝支付30元]
2023-05-20 18:53:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201853361668789801","queue_number":20,"trade_uid":"23052018533616681857"}]}
2023-05-20 18:53:43 >>>故障排除日志:删除未同步下发订单成功23052018533616681857
2023-05-20 18:53:43 >>>故障排除日志:终端同步成功后剩余订单列表


===19:05:48===
2023-05-20 19:05:39 >>>回调事件[910,devices/TL1931]
2023-05-20 19:05:39 >>>故障排除日志:上一MQTT订单号缓存列表为23052018533616681857
2023-05-20 19:05:39 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 19:05:39 开始打印,排队:21,票券:2305201905343460217101,订单:23052019053434581478,[2023-05-20 19:05:34微信支付30元]
2023-05-20 19:05:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201905343460217101","queue_number":21,"trade_uid":"23052019053434581478"}]}
2023-05-20 19:05:41 >>>故障排除日志:删除未同步下发订单成功23052019053434581478
2023-05-20 19:05:41 >>>故障排除日志:终端同步成功后剩余订单列表


===19:50:48===
2023-05-20 19:50:23 >>>回调事件[910,devices/TL1931]
2023-05-20 19:50:23 >>>故障排除日志:上一MQTT订单号缓存列表为23052019053434581478
2023-05-20 19:50:23 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 19:50:23 开始打印,排队:22,票券:2305201950126497120201,订单:23052019501264952562,[2023-05-20 19:50:12微信支付15元]
2023-05-20 19:50:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305201950126497120201","queue_number":22,"trade_uid":"23052019501264952562"}]}
2023-05-20 19:50:26 >>>故障排除日志:删除未同步下发订单成功23052019501264952562
2023-05-20 19:50:26 >>>故障排除日志:终端同步成功后剩余订单列表


===21:04:50===
2023-05-20 21:04:23 >>>回调事件[910,devices/TL1931]
2023-05-20 21:04:23 >>>故障排除日志:上一MQTT订单号缓存列表为23052019501264952562
2023-05-20 21:04:23 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 21:04:23 开始打印,排队:23,票券:2305202104175240319801,订单:23052021041752394418,[2023-05-20 21:04:17微信支付15元]
2023-05-20 21:04:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305202104175240319801","queue_number":23,"trade_uid":"23052021041752394418"}]}
2023-05-20 21:04:25 >>>故障排除日志:删除未同步下发订单成功23052021041752394418
2023-05-20 21:04:26 >>>故障排除日志:终端同步成功后剩余订单列表


===21:18:51===
2023-05-20 21:18:20 >>>回调事件[910,devices/TL1931]
2023-05-20 21:18:20 >>>故障排除日志:上一MQTT订单号缓存列表为23052021041752394418
2023-05-20 21:18:20 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 21:18:20 开始打印,排队:24,票券:2305202118139877159401,订单:23052021181398761754,[2023-05-20 21:18:13微信支付30元]
2023-05-20 21:18:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305202118139877159401","queue_number":24,"trade_uid":"23052021181398761754"}]}
2023-05-20 21:18:22 >>>故障排除日志:删除未同步下发订单成功23052021181398761754
2023-05-20 21:18:22 >>>故障排除日志:终端同步成功后剩余订单列表


===21:20:51===
2023-05-20 21:20:25 >>>回调事件[910,devices/TL1931]
2023-05-20 21:20:25 >>>故障排除日志:上一MQTT订单号缓存列表为23052021181398761754
2023-05-20 21:20:25 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 21:20:25 开始打印,排队:25,票券:2305202120189805724701,订单:23052021201898044024,[2023-05-20 21:20:18微信支付15元]
2023-05-20 21:20:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305202120189805724701","queue_number":25,"trade_uid":"23052021201898044024"}]}
2023-05-20 21:20:27 >>>故障排除日志:删除未同步下发订单成功23052021201898044024
2023-05-20 21:20:27 >>>故障排除日志:终端同步成功后剩余订单列表


===21:33:52===
2023-05-20 21:32:50 >>>回调事件[910,devices/TL1931]
2023-05-20 21:32:50 >>>故障排除日志:上一MQTT订单号缓存列表为23052021201898044024
2023-05-20 21:32:50 >>>故障排除日志:终端未同步成功订单列表
2023-05-20 21:32:50 开始打印,排队:26,票券:2305202132444844955001,订单:23052021324448440367,[2023-05-20 21:32:44微信支付15元]
2023-05-20 21:32:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305202132444844955001","queue_number":26,"trade_uid":"23052021324448440367"}]}
2023-05-20 21:32:52 >>>故障排除日志:删除未同步下发订单成功23052021324448440367
2023-05-20 21:32:52 >>>故障排除日志:终端同步成功后剩余订单列表


===22:55:55===
2023-05-20 22:55:18>>>cash read=9E
2023-05-20 22:55:19>>>cash read=3E


===23:00:55===
2023-05-20 23:00:00>>>cash read=0A
2023-05-20 23:00:01>>>cash read=3E


===23:33:56===
2023-05-20 23:33:08>>>cash read=0A
2023-05-20 23:33:09>>>cash read=3E