TLClient_JSSCOM_LuatOS-Air_V3205_RDA8910_RFTTS_0xe0000,2.3.3,869298054253596,06411367775577,
poweron reason:0
===10:11:36===
上一时间戳为1719888236
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7
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"14871571925146928989","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:5a986****c5fb3
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[2.3.3]
定时检测未同步订单启用
2024-07-03 10:10:35>>>cash write=30
2024-07-03 10:10:35>>>cash write=02
2024-07-03 10:10:35>>>cash write=3E
2024-07-03 10:10:35>>>cash read=808F808F808F808F
系统时间初始化成功，时间为202473101035
2024-07-03 10:10:36>>>cash write=02
2024-07-03 10:10:36 >>>剩余flash空间=1675000,占用RAM为621.291015625
2024-07-03 10:10:36 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-07-03 10:10:37 >>>剩余flash空间=1674500,占用RAM为590.1708984375
2024-07-03 10:10:37 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-07-03 10:10:39>>>cash write=0C
2024-07-03 10:10:39>>>cash read=3E
流量卡还有362天过期
2024-07-03 10:10:43 >>>当前Ram内存为635.705078125
===11:26:36===
2024-07-03 11:26:00 >>>回调事件[910,devices/S2003]
当日首次设置时间戳true为1719977160
2024-07-03 11:26:00 >>>故障排除日志:上一MQTT订单号缓存列表为24070221471416331218
2024-07-03 11:26:00 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 11:26:00 开始打印,排队:1,票券:2407031125538309243601,订单:24070311255383088496,[2024-07-03 11:25:53微信支付15元]
2024-07-03 11:26:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031125538309243601","queue_number":1,"trade_uid":"24070311255383088496"}]}
2024-07-03 11:26:02 >>>故障排除日志:删除未同步下发订单成功24070311255383088496
2024-07-03 11:26:02 >>>故障排除日志:终端同步成功后剩余订单列表
2024-07-03 11:26:02 收到下发指令:叫号1>>>
===12:06:37===
2024-07-03 12:06:00>>>cash read=9E
2024-07-03 12:06:01>>>cash read=3E
===12:26:37===
2024-07-03 12:25:41 >>>回调事件[910,devices/S2003]
2024-07-03 12:25:41 >>>故障排除日志:上一MQTT订单号缓存列表为24070311255383088496
2024-07-03 12:25:41 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 12:25:41 开始打印,排队:2,票券:2407031225345702838301,订单:24070312253457023980,[2024-07-03 12:25:34支付宝支付15元]
2024-07-03 12:25:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031225345702838301","queue_number":2,"trade_uid":"24070312253457023980"}]}
2024-07-03 12:25:43 >>>故障排除日志:删除未同步下发订单成功24070312253457023980
2024-07-03 12:25:43 >>>故障排除日志:终端同步成功后剩余订单列表
===13:53:38===
2024-07-03 13:52:41 >>>回调事件[910,devices/S2003]
2024-07-03 13:52:41 >>>故障排除日志:上一MQTT订单号缓存列表为24070312253457023980
2024-07-03 13:52:41 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 13:52:41 开始打印,排队:3,票券:2407031352348454497001,订单:24070313523484538214,[2024-07-03 13:52:34微信支付15元]
2024-07-03 13:52:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031352348454497001","queue_number":3,"trade_uid":"24070313523484538214"}]}
2024-07-03 13:52:44 >>>故障排除日志:删除未同步下发订单成功24070313523484538214
2024-07-03 13:52:44 >>>故障排除日志:终端同步成功后剩余订单列表
===15:28:38===
2024-07-03 15:28:11>>>cash read=9E
2024-07-03 15:28:13>>>cash read=3E
===15:59:38===
2024-07-03 15:59:24>>>cash read=00
2024-07-03 15:59:25>>>cash read=818F42
2024-07-03 15:59:25>>>cash write=02
2024-07-03 15:59:25 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-07-03 15:59:26>>>cash read=10
2024-07-03 15:59:26 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-07-03 15:59:27>>>cash write=0C
2024-07-03 15:59:27>>>cash read=00
2024-07-03 15:59:27>>>cash read=818F41
2024-07-03 15:59:27>>>cash write=02
2024-07-03 15:59:27 >>>回调事件130,cash_status,10022,进钞中...read money=5
2024-07-03 15:59:28>>>cash read=10
2024-07-03 15:59:28 >>>回调事件130,5,10023,finish Money=5,进钞完成
2024-07-03 15:59:28 >>>开始打印,排队号为4,订单号为2407031559260020034737
2024-07-03 15:59:28>>>订单2407031559260020034737写入成功,剩余空间为1674000,占用RAM为594.884765625
删除未同步订单2407031559260020034737
2024-07-03 15:59:30>>>订单2407031559260020034737删除成功,剩余空间为1675000,占用RAM为617.9189453125
检测订单目录中>>>
无未同步订单>>>
2024-07-03 15:59:30 >>>当前Ram内存为582.1171875
定时检测未同步订单启用
2024-07-03 15:59:31>>>cash write=0C
2024-07-03 15:59:31>>>cash read=3E
===16:00:39===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===16:17:39===
2024-07-03 16:16:44 >>>回调事件[910,devices/S2003]
2024-07-03 16:16:44 >>>故障排除日志:上一MQTT订单号缓存列表为24070313523484538214
2024-07-03 16:16:44 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 16:16:44 开始打印,排队:5,票券:2407031616367840441701,订单:24070316163678399756,[2024-07-03 16:16:36微信支付15元]
2024-07-03 16:16:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031616367840441701","queue_number":5,"trade_uid":"24070316163678399756"}]}
2024-07-03 16:16:46 >>>故障排除日志:删除未同步下发订单成功24070316163678399756
2024-07-03 16:16:46 >>>故障排除日志:终端同步成功后剩余订单列表
===16:47:40===
2024-07-03 16:47:28>>>cash read=0A
2024-07-03 16:47:29>>>cash read=3E
===16:59:40===
mqttTask.mqttMsgRecv.proc error
2024-07-03 16:58:48 >>>剩余flash空间=1675500,占用RAM为618.7470703125
2024-07-03 16:58:48 >>>回调异常:910,mqtt_tl,30000,mqtt_stop
2024-07-03 16:58:48 >>>MQTT连接断开，尝试重连中
2024-07-03 16:58:59 >>>剩余flash空间=1675500,占用RAM为606.6376953125
2024-07-03 16:58:59 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-07-03 16:58:59 >>>剩余flash空间=1675500,占用RAM为594.5400390625
2024-07-03 16:59:00 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
TCP://post-cn-09k20cnrl07.mqtt.aliyuncs.com:1883 closed@03_16:58:48
TCP://post-cn-09k20cnrl07.mqtt.aliyuncs.com:1883@03_16:58:48:send fail
===17:13:41===
2024-07-03 17:13:16>>>cash read=9E
2024-07-03 17:13:17>>>cash read=3E
===17:48:41===
2024-07-03 17:48:08 >>>回调事件[910,devices/S2003]
2024-07-03 17:48:08 >>>故障排除日志:上一MQTT订单号缓存列表为24070316163678399756
2024-07-03 17:48:08 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 17:48:08 开始打印,排队:6,票券:2407031747522595177601,订单:24070317475225946474,[2024-07-03 17:47:52微信支付15元]
2024-07-03 17:48:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031747522595177601","queue_number":6,"trade_uid":"24070317475225946474"}]}
2024-07-03 17:48:10 >>>故障排除日志:删除未同步下发订单成功24070317475225946474
2024-07-03 17:48:10 >>>故障排除日志:终端同步成功后剩余订单列表
===18:09:42===
2024-07-03 18:09:23 >>>回调事件[910,devices/S2003]
2024-07-03 18:09:23 >>>故障排除日志:上一MQTT订单号缓存列表为24070317475225946474
2024-07-03 18:09:23 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 18:09:23 开始打印,排队:7,票券:2407031809173470317501,订单:24070318091734699206,[2024-07-03 18:09:17微信支付15元]
2024-07-03 18:09:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031809173470317501","queue_number":7,"trade_uid":"24070318091734699206"}]}
2024-07-03 18:09:26 >>>故障排除日志:删除未同步下发订单成功24070318091734699206
2024-07-03 18:09:26 >>>故障排除日志:终端同步成功后剩余订单列表
===18:37:42===
2024-07-03 18:37:23 >>>回调事件[910,devices/S2003]
2024-07-03 18:37:23 >>>故障排除日志:上一MQTT订单号缓存列表为24070318091734699206
2024-07-03 18:37:23 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 18:37:23 开始打印,排队:8,票券:2407031837166587766701,订单:24070318371665874296,[2024-07-03 18:37:16微信支付15元]
2024-07-03 18:37:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031837166587766701","queue_number":8,"trade_uid":"24070318371665874296"}]}
2024-07-03 18:37:25 >>>故障排除日志:删除未同步下发订单成功24070318371665874296
2024-07-03 18:37:25 >>>故障排除日志:终端同步成功后剩余订单列表
===19:05:43===
2024-07-03 19:05:22 >>>回调事件[910,devices/S2003]
2024-07-03 19:05:22 >>>故障排除日志:上一MQTT订单号缓存列表为24070318371665874296
2024-07-03 19:05:22 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 19:05:22 开始打印,排队:9,票券:2407031905146120233901,订单:24070319051461196410,[2024-07-03 19:05:14微信支付15元]
2024-07-03 19:05:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031905146120233901","queue_number":9,"trade_uid":"24070319051461196410"}]}
2024-07-03 19:05:24 >>>故障排除日志:删除未同步下发订单成功24070319051461196410
2024-07-03 19:05:24 >>>故障排除日志:终端同步成功后剩余订单列表
===19:25:43===
2024-07-03 19:25:08 >>>回调事件[910,devices/S2003]
2024-07-03 19:25:08 >>>故障排除日志:上一MQTT订单号缓存列表为24070319051461196410
2024-07-03 19:25:08 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 19:25:08 开始打印,排队:10,票券:2407031924588606009501,订单:24070319245886056129,[2024-07-03 19:24:58微信支付15元]
2024-07-03 19:25:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031924588606009501","queue_number":10,"trade_uid":"24070319245886056129"}]}
2024-07-03 19:25:10 >>>故障排除日志:删除未同步下发订单成功24070319245886056129
2024-07-03 19:25:10 >>>故障排除日志:终端同步成功后剩余订单列表
===19:28:44===
2024-07-03 19:27:45 >>>回调事件[910,devices/S2003]
2024-07-03 19:27:45 >>>故障排除日志:上一MQTT订单号缓存列表为24070319245886056129
2024-07-03 19:27:45 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 19:27:45 开始打印,排队:11,票券:2407031927352423294101,订单:24070319273524227435,[2024-07-03 19:27:35微信支付15元]
2024-07-03 19:27:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031927352423294101","queue_number":11,"trade_uid":"24070319273524227435"}]}
2024-07-03 19:27:47 >>>故障排除日志:删除未同步下发订单成功24070319273524227435
2024-07-03 19:27:47 >>>故障排除日志:终端同步成功后剩余订单列表
===19:46:44===
2024-07-03 19:46:09 >>>回调事件[910,devices/S2003]
2024-07-03 19:46:09 >>>故障排除日志:上一MQTT订单号缓存列表为24070319273524227435
2024-07-03 19:46:09 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 19:46:09 开始打印,排队:12,票券:2407031946012353288501,订单:24070319460123528430,[2024-07-03 19:46:01微信支付15元]
2024-07-03 19:46:09 开始打印,排队:13,票券:2407031946012353422502,订单:24070319460123528430,[2024-07-03 19:46:01微信支付15元]
2024-07-03 19:46:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407031946012353288501","queue_number":12,"trade_uid":"24070319460123528430"},{"ticket_no":"2407031946012353422502","queue_number":13,"trade_uid":"24070319460123528430"}]}
2024-07-03 19:46:12 >>>故障排除日志:删除未同步下发订单成功24070319460123528430
2024-07-03 19:46:12 >>>故障排除日志:删除未同步下发订单成功24070319460123528430
2024-07-03 19:46:12 >>>故障排除日志:终端同步成功后剩余订单列表
===20:07:45===
2024-07-03 20:07:29 >>>回调事件[910,devices/S2003]
2024-07-03 20:07:29 >>>故障排除日志:上一MQTT订单号缓存列表为24070319460123528430|24070319460123528430
2024-07-03 20:07:29 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 20:07:29 开始打印,排队:14,票券:2407032007206792554101,订单:24070320072067921916,[2024-07-03 20:07:20微信支付15元]
2024-07-03 20:07:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032007206792554101","queue_number":14,"trade_uid":"24070320072067921916"}]}
2024-07-03 20:07:31 >>>故障排除日志:删除未同步下发订单成功24070320072067921916
2024-07-03 20:07:31 >>>故障排除日志:终端同步成功后剩余订单列表
===20:27:45===
2024-07-03 20:26:55 >>>回调事件[910,devices/S2003]
2024-07-03 20:26:55 >>>故障排除日志:上一MQTT订单号缓存列表为24070320072067921916
2024-07-03 20:26:55 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 20:26:55 开始打印,排队:15,票券:2407032026465501161001,订单:24070320264655007904,[2024-07-03 20:26:46微信支付15元]
2024-07-03 20:26:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032026465501161001","queue_number":15,"trade_uid":"24070320264655007904"}]}
2024-07-03 20:26:57 >>>故障排除日志:删除未同步下发订单成功24070320264655007904
2024-07-03 20:26:57 >>>故障排除日志:终端同步成功后剩余订单列表
===20:45:46===
2024-07-03 20:44:56 >>>回调事件[910,devices/S2003]
2024-07-03 20:44:56 >>>故障排除日志:上一MQTT订单号缓存列表为24070320264655007904
2024-07-03 20:44:56 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 20:44:56 开始打印,排队:16,票券:2407032044516985297501,订单:24070320445169848328,[2024-07-03 20:44:51微信支付15元]
2024-07-03 20:44:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032044516985297501","queue_number":16,"trade_uid":"24070320445169848328"}]}
2024-07-03 20:44:58 >>>故障排除日志:删除未同步下发订单成功24070320445169848328
2024-07-03 20:44:58 >>>故障排除日志:终端同步成功后剩余订单列表
===20:53:46===
2024-07-03 20:53:23 >>>回调事件[910,devices/S2003]
2024-07-03 20:53:23 >>>故障排除日志:上一MQTT订单号缓存列表为24070320445169848328
2024-07-03 20:53:23 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 20:53:23 开始打印,排队:17,票券:2407032053170072550801,订单:24070320531700721334,[2024-07-03 20:53:17微信支付15元]
2024-07-03 20:53:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032053170072550801","queue_number":17,"trade_uid":"24070320531700721334"}]}
2024-07-03 20:53:25 >>>故障排除日志:删除未同步下发订单成功24070320531700721334
2024-07-03 20:53:25 >>>故障排除日志:终端同步成功后剩余订单列表
===21:12:47===
2024-07-03 21:12:09 >>>回调事件[910,devices/S2003]
2024-07-03 21:12:09 >>>故障排除日志:上一MQTT订单号缓存列表为24070320531700721334
2024-07-03 21:12:09 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 21:12:09 开始打印,排队:18,票券:2407032111547468866201,订单:24070321115474684220,[2024-07-03 21:11:54支付宝支付15元]
2024-07-03 21:12:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032111547468866201","queue_number":18,"trade_uid":"24070321115474684220"}]}
2024-07-03 21:12:12 >>>故障排除日志:删除未同步下发订单成功24070321115474684220
2024-07-03 21:12:12 >>>故障排除日志:终端同步成功后剩余订单列表
===21:29:47===
2024-07-03 21:29:11 >>>回调事件[910,devices/S2003]
2024-07-03 21:29:11 >>>故障排除日志:上一MQTT订单号缓存列表为24070321115474684220
2024-07-03 21:29:11 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 21:29:11 开始打印,排队:19,票券:2407032129057873770201,订单:24070321290578731189,[2024-07-03 21:29:05微信支付15元]
2024-07-03 21:29:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032129057873770201","queue_number":19,"trade_uid":"24070321290578731189"}]}
2024-07-03 21:29:13 >>>故障排除日志:删除未同步下发订单成功24070321290578731189
2024-07-03 21:29:13 >>>故障排除日志:终端同步成功后剩余订单列表
===21:37:48===
2024-07-03 21:37:17 >>>回调事件[910,devices/S2003]
2024-07-03 21:37:17 >>>故障排除日志:上一MQTT订单号缓存列表为24070321290578731189
2024-07-03 21:37:17 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 21:37:17 开始打印,排队:20,票券:2407032137087450879401,订单:24070321370874503893,[2024-07-03 21:37:08微信支付15元]
2024-07-03 21:37:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032137087450879401","queue_number":20,"trade_uid":"24070321370874503893"}]}
2024-07-03 21:37:19 >>>故障排除日志:删除未同步下发订单成功24070321370874503893
2024-07-03 21:37:19 >>>故障排除日志:终端同步成功后剩余订单列表
===21:38:48===
2024-07-03 21:37:47 >>>回调事件[910,devices/S2003]
2024-07-03 21:37:47 >>>故障排除日志:上一MQTT订单号缓存列表为24070321370874503893
2024-07-03 21:37:47 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 21:37:47 开始打印,排队:21,票券:2407032137395110704701,订单:24070321373951103785,[2024-07-03 21:37:39微信支付15元]
2024-07-03 21:37:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032137395110704701","queue_number":21,"trade_uid":"24070321373951103785"}]}
2024-07-03 21:37:49 >>>故障排除日志:删除未同步下发订单成功24070321373951103785
2024-07-03 21:37:49 >>>故障排除日志:终端同步成功后剩余订单列表
===21:43:49===
2024-07-03 21:43:00 >>>回调事件[910,devices/S2003]
2024-07-03 21:43:00 >>>故障排除日志:上一MQTT订单号缓存列表为24070321373951103785
2024-07-03 21:43:00 >>>故障排除日志:终端未同步成功订单列表
2024-07-03 21:43:00 开始打印,排队:22,票券:2407032142532275327201,订单:24070321425322749519,[2024-07-03 21:42:53支付宝支付15元]
2024-07-03 21:43:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407032142532275327201","queue_number":22,"trade_uid":"24070321425322749519"}]}
2024-07-03 21:43:02 >>>故障排除日志:删除未同步下发订单成功24070321425322749519
2024-07-03 21:43:03 >>>故障排除日志:终端同步成功后剩余订单列表
===21:47:49===
2024-07-03 21:47:28>>>cash read=29
2024-07-03 21:47:28 >>>回调事件130,cash_status,20029,退钞中
2024-07-03 21:47:29>>>cash read=01
2024-07-03 21:47:30>>>cash read=3E
2024-07-03 21:47:34>>>cash read=00
2024-07-03 21:47:34>>>cash read=818F42
2024-07-03 21:47:34>>>cash write=02
2024-07-03 21:47:34 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-07-03 21:47:35>>>cash read=10
2024-07-03 21:47:35 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-07-03 21:47:36>>>cash write=0C
2024-07-03 21:47:36>>>cash read=3E
2024-07-03 21:47:40>>>cash read=2F29
2024-07-03 21:47:42>>>cash read=00
2024-07-03 21:47:43>>>cash read=818F41
2024-07-03 21:47:43>>>cash write=02
2024-07-03 21:47:43 >>>回调事件130,cash_status,10022,进钞中...read money=5
2024-07-03 21:47:43>>>cash read=10
2024-07-03 21:47:43 >>>回调事件130,5,10023,finish Money=5,进钞完成
2024-07-03 21:47:43 >>>开始打印,排队号为23,订单号为2407032147350020037974
2024-07-03 21:47:44>>>订单2407032147350020037974写入成功,剩余空间为1674000,占用RAM为596.169921875
删除未同步订单2407032147350020037974
2024-07-03 21:47:46>>>订单2407032147350020037974删除成功,剩余空间为1674500,占用RAM为613.5908203125
检测订单目录中>>>
无未同步订单>>>
2024-07-03 21:47:46 >>>当前Ram内存为582.1923828125
定时检测未同步订单启用
2024-07-03 21:47:47>>>cash write=0C
2024-07-03 21:47:47>>>cash read=3E
===21:48:49===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===21:49:50===
2024-07-03 21:49:03>>>cash read=0A
2024-07-03 21:49:04>>>cash read=3E