TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.3,869701076522195,93690255156022,
poweron reason:0
===01:01:22===
2025-10-17 01:00:37>>>cash read=0A
2025-10-17 01:00:38>>>cash read=3E
===04:28:23===
2025-10-17 04:27:54>>>cash read=0A
2025-10-17 04:27:55>>>cash read=3E
===07:38:23===
2025-10-17 07:37:55>>>cash read=0A
2025-10-17 07:37:56>>>cash read=3E
===08:37:23===
2025-10-17 08:36:33>>>cash read=0A
2025-10-17 08:36:34>>>cash read=3E
===10:07:24===
2025-10-17 10:06:57 >>>回调事件[910,devices/S4440]
隔日重置时间戳true
隔日清空未同步下发列表true
2025-10-17 10:06:57 >>>故障排除日志:上一MQTT订单号缓存列表为2510162108050042135439
2025-10-17 10:06:57 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 10:06:57 开始打印,排队:1,票券:2510171006529052148201,订单:2510171006520088132846,[2025-10-17 10:07:01微信支付10元]
2025-10-17 10:06:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171006529052148201","queue_number":1,"trade_uid":"2510171006520088132846"}]}
2025-10-17 10:06:59 >>>故障排除日志:删除未同步下发订单成功2510171006520088132846
2025-10-17 10:06:59 >>>故障排除日志:终端同步成功后剩余订单列表
===12:22:24===
2025-10-17 12:21:38 >>>回调事件[910,devices/S4440]
上一时间戳为1760666817
2025-10-17 12:21:38 >>>故障排除日志:上一MQTT订单号缓存列表为2510171006520088132846
2025-10-17 12:21:38 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 12:21:38 开始打印,排队:2,票券:2510171221312598112601,订单:2510171221310025578986,[2025-10-17 12:21:41微信支付10元]
2025-10-17 12:21:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171221312598112601","queue_number":2,"trade_uid":"2510171221310025578986"}]}
2025-10-17 12:21:40 >>>故障排除日志:删除未同步下发订单成功2510171221310025578986
2025-10-17 12:21:40 >>>故障排除日志:终端同步成功后剩余订单列表
===13:01:24===
2025-10-17 13:00:38>>>cash read=0A
2025-10-17 13:00:39>>>cash read=3E
===13:43:25===
2025-10-17 13:43:03 >>>回调事件[910,devices/S4440]
2025-10-17 13:43:03 >>>故障排除日志:上一MQTT订单号缓存列表为2510171221310025578986
2025-10-17 13:43:03 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 13:43:03 开始打印,排队:3,票券:2510171342597771263901,订单:2510171342590077327016,[2025-10-17 13:43:07微信支付10元]
2025-10-17 13:43:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171342597771263901","queue_number":3,"trade_uid":"2510171342590077327016"}]}
2025-10-17 13:43:05 >>>故障排除日志:删除未同步下发订单成功2510171342590077327016
2025-10-17 13:43:05 >>>故障排除日志:终端同步成功后剩余订单列表
===13:53:25===
2025-10-17 13:52:47>>>cash read=808F
2025-10-17 13:52:48>>>cash write=02
2025-10-17 13:52:49>>>cash write=0C
2025-10-17 13:52:49>>>cash read=3E
2025-10-17 13:52:56 >>>回调事件[910,devices/S4440]
2025-10-17 13:52:56 >>>故障排除日志:上一MQTT订单号缓存列表为2510171342590077327016
2025-10-17 13:52:56 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 13:52:56 开始打印,排队:4,票券:2510171352523937775201,订单:2510171352520038984258,[2025-10-17 13:53:00微信支付10元]
2025-10-17 13:52:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171352523937775201","queue_number":4,"trade_uid":"2510171352520038984258"}]}
2025-10-17 13:52:58 >>>故障排除日志:删除未同步下发订单成功2510171352520038984258
2025-10-17 13:52:58 >>>故障排除日志:终端同步成功后剩余订单列表
===14:18:25===
2025-10-17 14:17:35 >>>回调事件[910,devices/S4440]
2025-10-17 14:17:35 >>>故障排除日志:上一MQTT订单号缓存列表为2510171352520038984258
2025-10-17 14:17:35 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 14:17:35 开始打印,排队:5,票券:2510171417334302891801,订单:2510171417330042633397,[2025-10-17 14:17:39微信支付10元]
2025-10-17 14:17:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171417334302891801","queue_number":5,"trade_uid":"2510171417330042633397"}]}
2025-10-17 14:17:37 >>>故障排除日志:删除未同步下发订单成功2510171417330042633397
2025-10-17 14:17:37 >>>故障排除日志:终端同步成功后剩余订单列表
===14:41:25===
2025-10-17 14:40:28 >>>回调事件[910,devices/S4440]
2025-10-17 14:40:28 >>>故障排除日志:上一MQTT订单号缓存列表为2510171417330042633397
2025-10-17 14:40:28 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 14:40:28 开始打印,排队:6,票券:2510171440252643152601,订单:2510171440250026067037,[2025-10-17 14:40:33微信支付10元]
2025-10-17 14:40:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171440252643152601","queue_number":6,"trade_uid":"2510171440250026067037"}]}
2025-10-17 14:40:30 >>>故障排除日志:删除未同步下发订单成功2510171440250026067037
2025-10-17 14:40:30 >>>故障排除日志:终端同步成功后剩余订单列表
===15:59:25===
2025-10-17 15:59:17 >>>回调事件[910,devices/S4440]
2025-10-17 15:59:17 >>>故障排除日志:上一MQTT订单号缓存列表为2510171440250026067037
2025-10-17 15:59:17 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 15:59:17 开始打印,排队:7,票券:2510171559141145297301,订单:2510171559140011083215,[2025-10-17 15:59:21微信支付10元]
2025-10-17 15:59:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171559141145297301","queue_number":7,"trade_uid":"2510171559140011083215"}]}
2025-10-17 15:59:19 >>>故障排除日志:删除未同步下发订单成功2510171559140011083215
2025-10-17 15:59:19 >>>故障排除日志:终端同步成功后剩余订单列表
===16:21:26===
2025-10-17 16:20:20 >>>回调事件[910,devices/S4440]
2025-10-17 16:20:20 >>>故障排除日志:上一MQTT订单号缓存列表为2510171559140011083215
2025-10-17 16:20:20 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 16:20:20 开始打印,排队:8,票券:2510171620142208251401,订单:2510171620140021660793,[2025-10-17 16:20:24微信支付10元]
2025-10-17 16:20:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171620142208251401","queue_number":8,"trade_uid":"2510171620140021660793"}]}
2025-10-17 16:20:22 >>>故障排除日志:删除未同步下发订单成功2510171620140021660793
2025-10-17 16:20:22 >>>故障排除日志:终端同步成功后剩余订单列表
===16:37:26===
2025-10-17 16:36:31 >>>回调事件[910,devices/S4440]
2025-10-17 16:36:31 >>>故障排除日志:上一MQTT订单号缓存列表为2510171620140021660793
2025-10-17 16:36:31 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 16:36:31 开始打印,排队:9,票券:2510171636306939305301,订单:2510171636300069005265,[2025-10-17 16:36:36微信支付10元]
2025-10-17 16:36:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171636306939305301","queue_number":9,"trade_uid":"2510171636300069005265"}]}
2025-10-17 16:36:33 >>>故障排除日志:删除未同步下发订单成功2510171636300069005265
2025-10-17 16:36:33 >>>故障排除日志:终端同步成功后剩余订单列表
===17:12:26===
2025-10-17 17:11:32 >>>回调事件[910,devices/S4440]
2025-10-17 17:11:32 >>>故障排除日志:上一MQTT订单号缓存列表为2510171636300069005265
2025-10-17 17:11:32 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 17:11:32 开始打印,排队:10,票券:2510171711266534275601,订单:2510171711260064922393,[2025-10-17 17:11:36微信支付10元]
2025-10-17 17:11:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171711266534275601","queue_number":10,"trade_uid":"2510171711260064922393"}]}
2025-10-17 17:11:34 >>>故障排除日志:删除未同步下发订单成功2510171711260064922393
2025-10-17 17:11:34 >>>故障排除日志:终端同步成功后剩余订单列表
===17:28:26===
2025-10-17 17:28:07 >>>回调事件[910,devices/S4440]
2025-10-17 17:28:07 >>>故障排除日志:上一MQTT订单号缓存列表为2510171711260064922393
2025-10-17 17:28:07 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 17:28:07 开始打印,排队:11,票券:2510171728056602447501,订单:2510171728050065631916,[2025-10-17 17:28:11微信支付10元]
2025-10-17 17:28:07 开始打印,排队:12,票券:2510171728056603119102,订单:2510171728050065631916,[2025-10-17 17:28:11微信支付10元]
2025-10-17 17:28:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171728056602447501","queue_number":11,"trade_uid":"2510171728050065631916"},{"ticket_no":"2510171728056603119102","queue_number":12,"trade_uid":"2510171728050065631916"}]}
2025-10-17 17:28:10 >>>故障排除日志:删除未同步下发订单成功2510171728050065631916
2025-10-17 17:28:10 >>>故障排除日志:删除未同步下发订单成功2510171728050065631916
2025-10-17 17:28:10 >>>故障排除日志:终端同步成功后剩余订单列表
===17:31:28===
2025-10-17 17:30:29 >>>回调事件[910,devices/S4440]
2025-10-17 17:30:29 >>>故障排除日志:上一MQTT订单号缓存列表为2510171728050065631916|2510171728050065631916
2025-10-17 17:30:29 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 17:30:29 开始打印,排队:13,票券:2510171730261128708101,订单:2510171730260010851847,[2025-10-17 17:30:33微信支付10元]
2025-10-17 17:30:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171730261128708101","queue_number":13,"trade_uid":"2510171730260010851847"}]}
2025-10-17 17:30:31 >>>故障排除日志:删除未同步下发订单成功2510171730260010851847
2025-10-17 17:30:31 >>>故障排除日志:终端同步成功后剩余订单列表
2025-10-17 17:31:20 >>>回调事件[910,devices/S4440]
2025-10-17 17:31:20 >>>故障排除日志:上一MQTT订单号缓存列表为2510171730260010851847
2025-10-17 17:31:20 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 17:31:20 开始打印,排队:14,票券:2510171731165087318201,订单:2510171731160050487026,[2025-10-17 17:31:24微信支付10元]
===17:32:28===
2025-10-17 17:31:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171731165087318201","queue_number":14,"trade_uid":"2510171731160050487026"}]}
2025-10-17 17:31:22 >>>故障排除日志:删除未同步下发订单成功2510171731160050487026
2025-10-17 17:31:22 >>>故障排除日志:终端同步成功后剩余订单列表
===17:35:28===
2025-10-17 17:35:18 >>>回调事件[910,devices/S4440]
2025-10-17 17:35:18 >>>故障排除日志:上一MQTT订单号缓存列表为2510171731160050487026
2025-10-17 17:35:18 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 17:35:18 开始打印,排队:15,票券:2510171735029007368101,订单:2510171735020089708231,[2025-10-17 17:35:22微信支付10元]
2025-10-17 17:35:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171735029007368101","queue_number":15,"trade_uid":"2510171735020089708231"}]}
2025-10-17 17:35:20 >>>故障排除日志:删除未同步下发订单成功2510171735020089708231
2025-10-17 17:35:20 >>>故障排除日志:终端同步成功后剩余订单列表
===18:25:28===
2025-10-17 18:25:15 >>>回调事件[910,devices/S4440]
2025-10-17 18:25:15 >>>故障排除日志:上一MQTT订单号缓存列表为2510171735020089708231
2025-10-17 18:25:15 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 18:25:15 开始打印,排队:16,票券:2510171825114375878901,订单:2510171825110043378092,[2025-10-17 18:25:19微信支付10元]
2025-10-17 18:25:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171825114375878901","queue_number":16,"trade_uid":"2510171825110043378092"}]}
2025-10-17 18:25:17 >>>故障排除日志:删除未同步下发订单成功2510171825110043378092
2025-10-17 18:25:17 >>>故障排除日志:终端同步成功后剩余订单列表
===18:41:28===
2025-10-17 18:40:25 >>>回调事件[910,devices/S4440]
2025-10-17 18:40:25 >>>故障排除日志:上一MQTT订单号缓存列表为2510171825110043378092
2025-10-17 18:40:25 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 18:40:25 开始打印,排队:17,票券:2510171840198202332601,订单:2510171840190081631467,[2025-10-17 18:40:29微信支付10元]
2025-10-17 18:40:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171840198202332601","queue_number":17,"trade_uid":"2510171840190081631467"}]}
2025-10-17 18:40:27 >>>故障排除日志:删除未同步下发订单成功2510171840190081631467
2025-10-17 18:40:27 >>>故障排除日志:终端同步成功后剩余订单列表
===18:49:28===
2025-10-17 18:49:17 >>>回调事件[910,devices/S4440]
2025-10-17 18:49:17 >>>故障排除日志:上一MQTT订单号缓存列表为2510171840190081631467
2025-10-17 18:49:17 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 18:49:17 开始打印,排队:18,票券:2510171849145661538401,订单:2510171849140056246318,[2025-10-17 18:49:21微信支付10元]
2025-10-17 18:49:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171849145661538401","queue_number":18,"trade_uid":"2510171849140056246318"}]}
2025-10-17 18:49:19 >>>故障排除日志:删除未同步下发订单成功2510171849140056246318
2025-10-17 18:49:19 >>>故障排除日志:终端同步成功后剩余订单列表
===18:51:29===
2025-10-17 18:50:47 >>>回调事件[910,devices/S4440]
2025-10-17 18:50:47 >>>故障排除日志:上一MQTT订单号缓存列表为2510171849140056246318
2025-10-17 18:50:47 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 18:50:47 开始打印,排队:19,票券:2510171850362610437801,订单:2510171850360025709167,[2025-10-17 18:50:51微信支付10元]
2025-10-17 18:50:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171850362610437801","queue_number":19,"trade_uid":"2510171850360025709167"}]}
2025-10-17 18:50:49 >>>故障排除日志:删除未同步下发订单成功2510171850360025709167
2025-10-17 18:50:49 >>>故障排除日志:终端同步成功后剩余订单列表
===19:22:29===
2025-10-17 19:22:14 >>>回调事件[910,devices/S4440]
2025-10-17 19:22:14 >>>故障排除日志:上一MQTT订单号缓存列表为2510171850360025709167
2025-10-17 19:22:14 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 19:22:14 开始打印,排队:20,票券:2510171922098560037101,订单:2510171922090084981052,[2025-10-17 19:22:18微信支付10元]
2025-10-17 19:22:14 开始打印,排队:21,票券:2510171922098560416102,订单:2510171922090084981052,[2025-10-17 19:22:18微信支付10元]
2025-10-17 19:22:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171922098560037101","queue_number":20,"trade_uid":"2510171922090084981052"},{"ticket_no":"2510171922098560416102","queue_number":21,"trade_uid":"2510171922090084981052"}]}
2025-10-17 19:22:18 >>>故障排除日志:删除未同步下发订单成功2510171922090084981052
2025-10-17 19:22:18 >>>故障排除日志:删除未同步下发订单成功2510171922090084981052
2025-10-17 19:22:18 >>>故障排除日志:终端同步成功后剩余订单列表
===19:32:29===
2025-10-17 19:32:15 >>>回调事件[910,devices/S4440]
2025-10-17 19:32:15 >>>故障排除日志:上一MQTT订单号缓存列表为2510171922090084981052|2510171922090084981052
2025-10-17 19:32:15 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 19:32:15 开始打印,排队:22,票券:2510171932127721385101,订单:2510171932120076816657,[2025-10-17 19:32:20微信支付10元]
2025-10-17 19:32:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171932127721385101","queue_number":22,"trade_uid":"2510171932120076816657"}]}
2025-10-17 19:32:17 >>>故障排除日志:删除未同步下发订单成功2510171932120076816657
2025-10-17 19:32:18 >>>故障排除日志:终端同步成功后剩余订单列表
===19:35:29===
2025-10-17 19:34:58 >>>回调事件[910,devices/S4440]
2025-10-17 19:34:58 >>>故障排除日志:上一MQTT订单号缓存列表为2510171932120076816657
2025-10-17 19:34:58 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 19:34:58 开始打印,排队:23,票券:2510171934532949434501,订单:2510171934530029105861,[2025-10-17 19:35:01微信支付10元]
2025-10-17 19:35:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510171934532949434501","queue_number":23,"trade_uid":"2510171934530029105861"}]}
2025-10-17 19:35:00 >>>故障排除日志:删除未同步下发订单成功2510171934530029105861
2025-10-17 19:35:00 >>>故障排除日志:终端同步成功后剩余订单列表
===20:11:29===
2025-10-17 20:10:36 >>>回调事件[910,devices/S4440]
2025-10-17 20:10:36 >>>故障排除日志:上一MQTT订单号缓存列表为2510171934530029105861
2025-10-17 20:10:36 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 20:10:36 开始打印,排队:24,票券:2510172010342959254701,订单:2510172010340029156759,[2025-10-17 20:10:39微信支付10元]
2025-10-17 20:10:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510172010342959254701","queue_number":24,"trade_uid":"2510172010340029156759"}]}
2025-10-17 20:10:38 >>>故障排除日志:删除未同步下发订单成功2510172010340029156759
2025-10-17 20:10:38 >>>故障排除日志:终端同步成功后剩余订单列表
===20:21:30===
2025-10-17 20:20:41 >>>回调事件[910,devices/S4440]
2025-10-17 20:20:41 >>>故障排除日志:上一MQTT订单号缓存列表为2510172010340029156759
2025-10-17 20:20:41 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 20:20:41 开始打印,排队:25,票券:2510172020385309693701,订单:2510172020380052707853,[2025-10-17 20:20:44微信支付10元]
2025-10-17 20:20:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510172020385309693701","queue_number":25,"trade_uid":"2510172020380052707853"}]}
2025-10-17 20:20:43 >>>故障排除日志:删除未同步下发订单成功2510172020380052707853
2025-10-17 20:20:43 >>>故障排除日志:终端同步成功后剩余订单列表
===20:24:30===
2025-10-17 20:23:26 >>>回调事件[910,devices/S4440]
2025-10-17 20:23:26 >>>故障排除日志:上一MQTT订单号缓存列表为2510172020380052707853
2025-10-17 20:23:26 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 20:23:26 开始打印,排队:26,票券:2510172023255743029501,订单:2510172023250057023047,[2025-10-17 20:23:30微信支付10元]
2025-10-17 20:23:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510172023255743029501","queue_number":26,"trade_uid":"2510172023250057023047"}]}
2025-10-17 20:23:28 >>>故障排除日志:删除未同步下发订单成功2510172023250057023047
2025-10-17 20:23:28 >>>故障排除日志:终端同步成功后剩余订单列表
===20:54:30===
2025-10-17 20:53:40 >>>回调事件[910,devices/S4440]
2025-10-17 20:53:40 >>>故障排除日志:上一MQTT订单号缓存列表为2510172023250057023047
2025-10-17 20:53:40 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 20:53:40 开始打印,排队:27,票券:2510172053394667522701,订单:2510172053390046295996,[2025-10-17 20:53:44微信支付10元]
2025-10-17 20:53:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510172053394667522701","queue_number":27,"trade_uid":"2510172053390046295996"}]}
2025-10-17 20:53:42 >>>故障排除日志:删除未同步下发订单成功2510172053390046295996
2025-10-17 20:53:42 >>>故障排除日志:终端同步成功后剩余订单列表
===21:19:30===
2025-10-17 21:18:41 >>>回调事件[910,devices/S4440]
2025-10-17 21:18:41 >>>故障排除日志:上一MQTT订单号缓存列表为2510172053390046295996
2025-10-17 21:18:42 >>>故障排除日志:终端未同步成功订单列表
2025-10-17 21:18:42 开始打印,排队:28,票券:2510172118382147277101,订单:2510172118380021111018,[2025-10-17 21:18:45微信支付10元]
2025-10-17 21:18:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510172118382147277101","queue_number":28,"trade_uid":"2510172118380021111018"}]}
2025-10-17 21:18:43 >>>故障排除日志:删除未同步下发订单成功2510172118380021111018
2025-10-17 21:18:44 >>>故障排除日志:终端同步成功后剩余订单列表
===23:07:31===
2025-10-17 23:06:45>>>cash read=0A
2025-10-17 23:06:46>>>cash read=3E
===23:46:31===
2025-10-17 23:45:58>>>cash read=0A
2025-10-17 23:45:59>>>cash read=3E