TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.1.2,865328069304870,84185521742131,
poweron reason:0
===10:27:56===
上一时间戳为1684029694
隔日重置时间戳true
隔日清空未同步下发列表true
当前排队号为1,音量为5
初始化产品信息:[{"time_limit_date":null,"ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437107692","use_timer":1,"old_price":"18","end_hour":null,"sale_price":"18","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"剪发+冲水+造型"},{"time_limit_date":null,"ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437107700","use_timer":1,"old_price":"25","end_hour":null,"sale_price":"25","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"洗剪吹"},{"time_limit_date":null,"ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4279533360617947107","use_timer":1,"old_price":"13","end_hour":null,"sale_price":"13","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"精剪"},{"time_limit_date":null,"ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437107683","use_timer":1,"old_price":"10","end_hour":null,"sale_price":"10","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"快剪"},{"time_limit_date":null,"ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437107688","use_timer":1,"old_price":"15","end_hour":null,"sale_price":"15","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"剪发+冲水"}]
是否打印二维码设置为0
是否打印紧凑设置为0
session_id:24866****5446d
纸币器设置接收纸币范围为36
欢迎使用天羚自助售票系统[2.1.2]
定时检测未同步订单启用
2023-05-15 10:26:55>>>cash write=30
2023-05-15 10:26:55>>>cash write=02
2023-05-15 10:26:55>>>cash write=3E
2023-05-15 10:26:55>>>cash read=808F808F808F808F
系统时间初始化成功，时间为2023515102655
2023-05-15 10:26:56>>>cash write=02
2023-05-15 10:26:56 >>>剩余flash空间=1679000,占用RAM为618.34375
2023-05-15 10:26:56 >>>回调事件:910,subscribe,10000,连接服务器成功
2023-05-15 10:26:57 >>>剩余flash空间=1679000,占用RAM为586.5751953125
2023-05-15 10:26:57 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2023-05-15 10:26:59>>>cash write=0C
2023-05-15 10:26:59>>>cash read=3E
流量卡还有320天过期
2023-05-15 10:27:03 >>>当前Ram内存为627.6982421875
===10:28:56===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:50:56===
2023-05-15 10:50:21 >>>回调事件[910,devices/S2419]
当日首次设置时间戳true为1684119021
2023-05-15 10:50:21 >>>故障排除日志:上一MQTT订单号缓存列表为23051421590516436962
2023-05-15 10:50:21 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 10:50:21 开始打印,排队:1,票券:2305151050112888781601,订单:23051510501128881328,[2023-05-15 10:50:11微信支付10元]
2023-05-15 10:50:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151050112888781601","queue_number":1,"trade_uid":"23051510501128881328"}]}
2023-05-15 10:50:23 >>>故障排除日志:删除未同步下发订单成功23051510501128881328
2023-05-15 10:50:23 >>>故障排除日志:终端同步成功后剩余订单列表
===11:32:57===
2023-05-15 11:32:21 >>>回调事件[910,devices/S2419]
2023-05-15 11:32:21 >>>故障排除日志:上一MQTT订单号缓存列表为23051510501128881328
2023-05-15 11:32:21 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 11:32:21 开始打印,排队:2,票券:2305151132139520788101,订单:23051511321395200795,[2023-05-15 11:32:13微信支付10元]
2023-05-15 11:32:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151132139520788101","queue_number":2,"trade_uid":"23051511321395200795"}]}
2023-05-15 11:32:23 >>>故障排除日志:删除未同步下发订单成功23051511321395200795
2023-05-15 11:32:23 >>>故障排除日志:终端同步成功后剩余订单列表
===12:53:57===
2023-05-15 12:53:39 >>>回调事件[910,devices/S2419]
2023-05-15 12:53:39 >>>故障排除日志:上一MQTT订单号缓存列表为23051511321395200795
2023-05-15 12:53:39 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 12:53:39 开始打印,排队:3,票券:2305151253334452914501,订单:23051512533344522559,[2023-05-15 12:53:33微信支付10元]
2023-05-15 12:53:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151253334452914501","queue_number":3,"trade_uid":"23051512533344522559"}]}
2023-05-15 12:53:41 >>>故障排除日志:删除未同步下发订单成功23051512533344522559
2023-05-15 12:53:41 >>>故障排除日志:终端同步成功后剩余订单列表
===14:49:58===
2023-05-15 14:49:15 >>>回调事件[910,devices/S2419]
2023-05-15 14:49:15 >>>故障排除日志:上一MQTT订单号缓存列表为23051512533344522559
2023-05-15 14:49:15 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 14:49:15 开始打印,排队:4,票券:2305151449070866957301,订单:23051514490708663181,[2023-05-15 14:49:07微信支付10元]
2023-05-15 14:49:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151449070866957301","queue_number":4,"trade_uid":"23051514490708663181"}]}
2023-05-15 14:49:17 >>>故障排除日志:删除未同步下发订单成功23051514490708663181
2023-05-15 14:49:17 >>>故障排除日志:终端同步成功后剩余订单列表
===15:24:58===
2023-05-15 15:24:33 >>>回调事件[910,devices/S2419]
2023-05-15 15:24:33 >>>故障排除日志:上一MQTT订单号缓存列表为23051514490708663181
2023-05-15 15:24:33 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 15:24:33 开始打印,排队:5,票券:2305151524231237778201,订单:23051515242312369278,[2023-05-15 15:24:23微信支付13元]
2023-05-15 15:24:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151524231237778201","queue_number":5,"trade_uid":"23051515242312369278"}]}
2023-05-15 15:24:35 >>>故障排除日志:删除未同步下发订单成功23051515242312369278
2023-05-15 15:24:35 >>>故障排除日志:终端同步成功后剩余订单列表
===15:34:59===
2023-05-15 15:34:41 >>>回调事件[910,devices/S2419]
2023-05-15 15:34:41 >>>故障排除日志:上一MQTT订单号缓存列表为23051515242312369278
2023-05-15 15:34:41 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 15:34:41 开始打印,排队:6,票券:2305151534318032009101,订单:23051515343180312831,[2023-05-15 15:34:31微信支付15元]
2023-05-15 15:34:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151534318032009101","queue_number":6,"trade_uid":"23051515343180312831"}]}
2023-05-15 15:34:43 >>>故障排除日志:删除未同步下发订单成功23051515343180312831
2023-05-15 15:34:43 >>>故障排除日志:终端同步成功后剩余订单列表
===15:53:59===
2023-05-15 15:53:10 >>>回调事件[910,devices/S2419]
2023-05-15 15:53:10 >>>故障排除日志:上一MQTT订单号缓存列表为23051515343180312831
2023-05-15 15:53:10 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 15:53:10 开始打印,排队:7,票券:2305151553018226843401,订单:23051515530182259902,[2023-05-15 15:53:01支付宝支付10元]
2023-05-15 15:53:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151553018226843401","queue_number":7,"trade_uid":"23051515530182259902"}]}
2023-05-15 15:53:12 >>>故障排除日志:删除未同步下发订单成功23051515530182259902
2023-05-15 15:53:12 >>>故障排除日志:终端同步成功后剩余订单列表
===16:23:59===
2023-05-15 16:23:01 >>>回调事件[910,devices/S2419]
2023-05-15 16:23:01 >>>故障排除日志:上一MQTT订单号缓存列表为23051515530182259902
2023-05-15 16:23:01 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 16:23:01 开始打印,排队:8,票券:2305151622521338253801,订单:23051516225213375664,[2023-05-15 16:22:52微信支付15元]
2023-05-15 16:23:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151622521338253801","queue_number":8,"trade_uid":"23051516225213375664"}]}
2023-05-15 16:23:03 >>>故障排除日志:删除未同步下发订单成功23051516225213375664
2023-05-15 16:23:03 >>>故障排除日志:终端同步成功后剩余订单列表
===16:48:59===
2023-05-15 16:48:07>>>cash read=0A
2023-05-15 16:48:09>>>cash read=3E
===18:09:00===
2023-05-15 18:08:55 >>>回调事件[910,devices/S2419]
2023-05-15 18:08:55 >>>故障排除日志:上一MQTT订单号缓存列表为23051516225213375664
2023-05-15 18:08:55 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 18:08:55 开始打印,排队:9,票券:2305151808462677538601,订单:23051518084626765196,[2023-05-15 18:08:46微信支付13元]
2023-05-15 18:08:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151808462677538601","queue_number":9,"trade_uid":"23051518084626765196"}]}
2023-05-15 18:08:57 >>>故障排除日志:删除未同步下发订单成功23051518084626765196
2023-05-15 18:08:57 >>>故障排除日志:终端同步成功后剩余订单列表
===18:11:00===
2023-05-15 18:10:11>>>cash read=0A
2023-05-15 18:10:13>>>cash read=3E
===18:29:01===
2023-05-15 18:28:07 >>>回调事件[910,devices/S2419]
2023-05-15 18:28:07 >>>故障排除日志:上一MQTT订单号缓存列表为23051518084626765196
2023-05-15 18:28:07 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 18:28:07 开始打印,排队:10,票券:2305151827572470374801,订单:23051518275724697159,[2023-05-15 18:27:57支付宝支付10元]
2023-05-15 18:28:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151827572470374801","queue_number":10,"trade_uid":"23051518275724697159"}]}
2023-05-15 18:28:09 >>>故障排除日志:删除未同步下发订单成功23051518275724697159
2023-05-15 18:28:09 >>>故障排除日志:终端同步成功后剩余订单列表
===18:57:01===
2023-05-15 18:56:33 >>>回调事件[910,devices/S2419]
2023-05-15 18:56:33 >>>故障排除日志:上一MQTT订单号缓存列表为23051518275724697159
2023-05-15 18:56:33 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 18:56:33 开始打印,排队:11,票券:2305151856258791972001,订单:23051518562587911854,[2023-05-15 18:56:25微信支付15元]
2023-05-15 18:56:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151856258791972001","queue_number":11,"trade_uid":"23051518562587911854"}]}
2023-05-15 18:56:35 >>>故障排除日志:删除未同步下发订单成功23051518562587911854
2023-05-15 18:56:35 >>>故障排除日志:终端同步成功后剩余订单列表
===19:10:01===
2023-05-15 19:09:18 >>>回调事件[910,devices/S2419]
2023-05-15 19:09:18 >>>故障排除日志:上一MQTT订单号缓存列表为23051518562587911854
2023-05-15 19:09:18 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:09:18 开始打印,排队:12,票券:2305151909119457526301,订单:23051519091194567926,[2023-05-15 19:09:11微信支付15元]
2023-05-15 19:09:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151909119457526301","queue_number":12,"trade_uid":"23051519091194567926"}]}
2023-05-15 19:09:21 >>>故障排除日志:删除未同步下发订单成功23051519091194567926
2023-05-15 19:09:21 >>>故障排除日志:终端同步成功后剩余订单列表
===19:20:02===
2023-05-15 19:19:23 >>>回调事件[910,devices/S2419]
2023-05-15 19:19:23 >>>故障排除日志:上一MQTT订单号缓存列表为23051519091194567926
2023-05-15 19:19:23 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:19:23 开始打印,排队:13,票券:2305151919154555836201,订单:23051519191545549807,[2023-05-15 19:19:15支付宝支付15元]
2023-05-15 19:19:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151919154555836201","queue_number":13,"trade_uid":"23051519191545549807"}]}
2023-05-15 19:19:25 >>>故障排除日志:删除未同步下发订单成功23051519191545549807
2023-05-15 19:19:25 >>>故障排除日志:终端同步成功后剩余订单列表
===19:21:02===
2023-05-15 19:20:50 >>>回调事件[910,devices/S2419]
2023-05-15 19:20:50 >>>故障排除日志:上一MQTT订单号缓存列表为23051519191545549807
2023-05-15 19:20:50 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:20:50 开始打印,排队:14,票券:2305151920430884583101,订单:23051519204308838973,[2023-05-15 19:20:43支付宝支付10元]
2023-05-15 19:20:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151920430884583101","queue_number":14,"trade_uid":"23051519204308838973"}]}
2023-05-15 19:20:52 >>>故障排除日志:删除未同步下发订单成功23051519204308838973
2023-05-15 19:20:52 >>>故障排除日志:终端同步成功后剩余订单列表
===19:25:02===
2023-05-15 19:24:22 >>>回调事件[910,devices/S2419]
2023-05-15 19:24:22 >>>故障排除日志:上一MQTT订单号缓存列表为23051519204308838973
2023-05-15 19:24:22 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:24:22 开始打印,排队:15,票券:2305151924159410397501,订单:23051519241594098239,[2023-05-15 19:24:15微信支付10元]
2023-05-15 19:24:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151924159410397501","queue_number":15,"trade_uid":"23051519241594098239"}]}
2023-05-15 19:24:24 >>>故障排除日志:删除未同步下发订单成功23051519241594098239
2023-05-15 19:24:24 >>>故障排除日志:终端同步成功后剩余订单列表
===19:27:03===
2023-05-15 19:26:43 >>>回调事件[910,devices/S2419]
2023-05-15 19:26:43 >>>故障排除日志:上一MQTT订单号缓存列表为23051519241594098239
2023-05-15 19:26:43 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:26:43 开始打印,排队:16,票券:2305151926335284013901,订单:23051519263352832410,[2023-05-15 19:26:33微信支付10元]
2023-05-15 19:26:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151926335284013901","queue_number":16,"trade_uid":"23051519263352832410"}]}
2023-05-15 19:26:45 >>>故障排除日志:删除未同步下发订单成功23051519263352832410
2023-05-15 19:26:45 >>>故障排除日志:终端同步成功后剩余订单列表
===19:38:04===
2023-05-15 19:38:01 >>>回调事件[910,devices/S2419]
2023-05-15 19:38:01 >>>故障排除日志:上一MQTT订单号缓存列表为23051519263352832410
2023-05-15 19:38:01 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:38:01 开始打印,排队:17,票券:2305151937538220091501,订单:23051519375382195023,[2023-05-15 19:37:53微信支付10元]
===19:39:05===
2023-05-15 19:38:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151937538220091501","queue_number":17,"trade_uid":"23051519375382195023"}]}
2023-05-15 19:38:03 >>>故障排除日志:删除未同步下发订单成功23051519375382195023
2023-05-15 19:38:03 >>>故障排除日志:终端同步成功后剩余订单列表
===19:49:05===
2023-05-15 19:48:12 >>>回调事件[910,devices/S2419]
2023-05-15 19:48:12 >>>故障排除日志:上一MQTT订单号缓存列表为23051519375382195023
2023-05-15 19:48:12 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 19:48:12 开始打印,排队:18,票券:2305151948055430042401,订单:23051519480554294230,[2023-05-15 19:48:05微信支付10元]
2023-05-15 19:48:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305151948055430042401","queue_number":18,"trade_uid":"23051519480554294230"}]}
2023-05-15 19:48:14 >>>故障排除日志:删除未同步下发订单成功23051519480554294230
2023-05-15 19:48:14 >>>故障排除日志:终端同步成功后剩余订单列表
===20:11:05===
2023-05-15 20:10:22 >>>回调事件[910,devices/S2419]
2023-05-15 20:10:22 >>>故障排除日志:上一MQTT订单号缓存列表为23051519480554294230
2023-05-15 20:10:22 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 20:10:22 开始打印,排队:19,票券:2305152010152046347401,订单:23051520101520456140,[2023-05-15 20:10:15微信支付10元]
2023-05-15 20:10:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152010152046347401","queue_number":19,"trade_uid":"23051520101520456140"}]}
2023-05-15 20:10:24 >>>故障排除日志:删除未同步下发订单成功23051520101520456140
2023-05-15 20:10:24 >>>故障排除日志:终端同步成功后剩余订单列表
===20:20:06===
2023-05-15 20:19:39 >>>回调事件[910,devices/S2419]
2023-05-15 20:19:39 >>>故障排除日志:上一MQTT订单号缓存列表为23051520101520456140
2023-05-15 20:19:39 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 20:19:39 开始打印,排队:20,票券:2305152019319800586501,订单:23051520193197999509,[2023-05-15 20:19:31微信支付13元]
2023-05-15 20:19:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152019319800586501","queue_number":20,"trade_uid":"23051520193197999509"}]}
2023-05-15 20:19:41 >>>故障排除日志:删除未同步下发订单成功23051520193197999509
2023-05-15 20:19:41 >>>故障排除日志:终端同步成功后剩余订单列表
===20:57:06===
2023-05-15 20:56:38 >>>回调事件[910,devices/S2419]
2023-05-15 20:56:38 >>>故障排除日志:上一MQTT订单号缓存列表为23051520193197999509
2023-05-15 20:56:38 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 20:56:38 开始打印,排队:21,票券:2305152056312493365001,订单:23051520563124926662,[2023-05-15 20:56:31微信支付13元]
2023-05-15 20:56:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152056312493365001","queue_number":21,"trade_uid":"23051520563124926662"}]}
2023-05-15 20:56:40 >>>故障排除日志:删除未同步下发订单成功23051520563124926662
2023-05-15 20:56:40 >>>故障排除日志:终端同步成功后剩余订单列表
===21:02:06===
2023-05-15 21:01:18 >>>回调事件[910,devices/S2419]
2023-05-15 21:01:18 >>>故障排除日志:上一MQTT订单号缓存列表为23051520563124926662
2023-05-15 21:01:18 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 21:01:18 开始打印,排队:22,票券:2305152101124029601801,订单:23051521011240288030,[2023-05-15 21:01:12微信支付10元]
2023-05-15 21:01:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152101124029601801","queue_number":22,"trade_uid":"23051521011240288030"}]}
2023-05-15 21:01:21 >>>故障排除日志:删除未同步下发订单成功23051521011240288030
2023-05-15 21:01:21 >>>故障排除日志:终端同步成功后剩余订单列表
===21:13:07===
2023-05-15 21:12:27>>>cash read=0A
2023-05-15 21:12:28>>>cash read=3E
===21:20:07===
2023-05-15 21:19:30 >>>回调事件[910,devices/S2419]
2023-05-15 21:19:30 >>>故障排除日志:上一MQTT订单号缓存列表为23051521011240288030
2023-05-15 21:19:30 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 21:19:30 开始打印,排队:23,票券:2305152119241156809801,订单:23051521192411560827,[2023-05-15 21:19:24微信支付10元]
2023-05-15 21:19:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152119241156809801","queue_number":23,"trade_uid":"23051521192411560827"}]}
2023-05-15 21:19:32 >>>故障排除日志:删除未同步下发订单成功23051521192411560827
2023-05-15 21:19:32 >>>故障排除日志:终端同步成功后剩余订单列表
===21:56:07===
2023-05-15 21:55:22 >>>回调事件[910,devices/S2419]
2023-05-15 21:55:22 >>>故障排除日志:上一MQTT订单号缓存列表为23051521192411560827
2023-05-15 21:55:22 >>>故障排除日志:终端未同步成功订单列表
2023-05-15 21:55:22 开始打印,排队:24,票券:2305152155092657818101,订单:23051521550926571038,[2023-05-15 21:55:09支付宝支付10元]
2023-05-15 21:55:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2305152155092657818101","queue_number":24,"trade_uid":"23051521550926571038"}]}
2023-05-15 21:55:24 >>>故障排除日志:删除未同步下发订单成功23051521550926571038
2023-05-15 21:55:24 >>>故障排除日志:终端同步成功后剩余订单列表
===22:00:08===
2023-05-15 21:59:47>>>cash read=0A
2023-05-15 21:59:48>>>cash read=3E
===22:20:08===
2023-05-15 22:19:56>>>cash read=0A
2023-05-15 22:19:57>>>cash read=3E
===22:24:09===
2023-05-15 22:23:57>>>cash read=0A
2023-05-15 22:23:58>>>cash read=3E