TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.0,869701072491924,97499688468490,
poweron reason:0
===12:01:25===
上一时间戳为1745816581
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":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"12710657366791892239","use_timer":1,"old_price":"12","end_hour":null,"sale_price":"12","end_minute":null,"begin_hour":null,"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
当前号显示模式设置为1
session_id:09709****17694
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[2.7.0]
定时检测未同步订单启用
2025-04-29 12:00:25>>>cash write=30
2025-04-29 12:00:25>>>cash write=02
2025-04-29 12:00:25>>>cash write=3E
2025-04-29 12:00:25>>>cash read=808F808F
系统时间初始化成功，时间为202542912025
2025-04-29 12:00:26>>>cash write=02
2025-04-29 12:00:26 >>>剩余flash空间=1680500,占用RAM为637.078125
2025-04-29 12:00:26 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-04-29 12:00:27 >>>剩余flash空间=1680000,占用RAM为614.4228515625
2025-04-29 12:00:27 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-04-29 12:00:29>>>cash write=0C
2025-04-29 12:00:29>>>cash read=3E
流量卡还有92天过期
2025-04-29 12:00:36 >>>当前Ram内存为640.7265625
===12:02:26===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===12:16:26===
2025-04-29 12:15:32>>>cash read=0A
2025-04-29 12:15:33>>>cash read=3E
===12:30:27===
2025-04-29 12:29:51 >>>回调事件[910,devices/TL3425]
当日首次设置时间戳true为1745900991
2025-04-29 12:29:51 >>>故障排除日志:上一MQTT订单号缓存列表为2504282211050098348436
2025-04-29 12:29:51 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 12:29:51 开始打印,排队:1,票券:2504291229444062636201,订单:2504291229440038532357,[2025-04-29 12:29:51微信支付12元]
2025-04-29 12:29:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291229444062636201","queue_number":1,"trade_uid":"2504291229440038532357"}]}
2025-04-29 12:29:53 >>>故障排除日志:删除未同步下发订单成功2504291229440038532357
2025-04-29 12:29:53 >>>故障排除日志:终端同步成功后剩余订单列表
===12:58:27===
2025-04-29 12:57:31 >>>回调事件[910,devices/TL3425]
2025-04-29 12:57:31 >>>故障排除日志:上一MQTT订单号缓存列表为2504291229440038532357
2025-04-29 12:57:31 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 12:57:31 开始打印,排队:2,票券:2504291257230440197301,订单:2504291257230003968815,[2025-04-29 12:57:31微信支付12元]
2025-04-29 12:57:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291257230440197301","queue_number":2,"trade_uid":"2504291257230003968815"}]}
2025-04-29 12:57:33 >>>故障排除日志:删除未同步下发订单成功2504291257230003968815
2025-04-29 12:57:33 >>>故障排除日志:终端同步成功后剩余订单列表
===15:19:27===
2025-04-29 15:18:57 >>>回调事件[910,devices/TL3425]
2025-04-29 15:18:57 >>>故障排除日志:上一MQTT订单号缓存列表为2504291257230003968815
2025-04-29 15:18:57 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 15:18:57 开始打印,排队:3,票券:2504291518508568785601,订单:2504291518500085282496,[2025-04-29 15:18:57微信支付12元]
2025-04-29 15:18:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291518508568785601","queue_number":3,"trade_uid":"2504291518500085282496"}]}
2025-04-29 15:18:59 >>>故障排除日志:删除未同步下发订单成功2504291518500085282496
2025-04-29 15:18:59 >>>故障排除日志:终端同步成功后剩余订单列表
===15:47:28===
2025-04-29 15:47:10 >>>回调事件[910,devices/TL3425]
2025-04-29 15:47:10 >>>故障排除日志:上一MQTT订单号缓存列表为2504291518500085282496
2025-04-29 15:47:10 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 15:47:10 开始打印,排队:4,票券:2504291547037169672501,订单:2504291547030071274835,[2025-04-29 15:47:09支付宝支付12元]
2025-04-29 15:47:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291547037169672501","queue_number":4,"trade_uid":"2504291547030071274835"}]}
2025-04-29 15:47:12 >>>故障排除日志:删除未同步下发订单成功2504291547030071274835
2025-04-29 15:47:12 >>>故障排除日志:终端同步成功后剩余订单列表
===15:48:28===
2025-04-29 15:48:22 >>>回调事件[910,devices/TL3425]
2025-04-29 15:48:22 >>>故障排除日志:上一MQTT订单号缓存列表为2504291547030071274835
2025-04-29 15:48:22 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 15:48:22 开始打印,排队:5,票券:2504291548165462239301,订单:2504291548160054030167,[2025-04-29 15:48:22微信支付12元]
2025-04-29 15:48:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291548165462239301","queue_number":5,"trade_uid":"2504291548160054030167"}]}
2025-04-29 15:48:25 >>>故障排除日志:删除未同步下发订单成功2504291548160054030167
2025-04-29 15:48:25 >>>故障排除日志:终端同步成功后剩余订单列表
===16:17:29===
2025-04-29 16:17:06>>>cash read=0A
2025-04-29 16:17:07>>>cash read=3E
===18:05:29===
2025-04-29 18:04:56 >>>回调事件[910,devices/TL3425]
2025-04-29 18:04:56 >>>故障排除日志:上一MQTT订单号缓存列表为2504291548160054030167
2025-04-29 18:04:56 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:04:56 开始打印,排队:6,票券:2504291804504491829401,订单:2504291804500044475823,[2025-04-29 18:04:55微信支付12元]
2025-04-29 18:04:56 开始打印,排队:7,票券:2504291804504492393102,订单:2504291804500044475823,[2025-04-29 18:04:55微信支付12元]
2025-04-29 18:04:56 开始打印,排队:8,票券:2504291804504492588903,订单:2504291804500044475823,[2025-04-29 18:04:55微信支付12元]
2025-04-29 18:05:01 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291804504491829401","queue_number":6,"trade_uid":"2504291804500044475823"},{"ticket_no":"2504291804504492393102","queue_number":7,"trade_uid":"2504291804500044475823"},{"ticket_no":"2504291804504492588903","queue_number":8,"trade_uid":"2504291804500044475823"}]}
2025-04-29 18:05:01 >>>故障排除日志:删除未同步下发订单成功2504291804500044475823
2025-04-29 18:05:01 >>>故障排除日志:删除未同步下发订单成功2504291804500044475823
2025-04-29 18:05:01 >>>故障排除日志:删除未同步下发订单成功2504291804500044475823
2025-04-29 18:05:01 >>>故障排除日志:终端同步成功后剩余订单列表
===18:06:29===
2025-04-29 18:05:53 >>>回调事件[910,devices/TL3425]
2025-04-29 18:05:53 >>>故障排除日志:上一MQTT订单号缓存列表为2504291804500044475823|2504291804500044475823|2504291804500044475823
2025-04-29 18:05:53 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:05:53 开始打印,排队:9,票券:2504291805470778734801,订单:2504291805470007319365,[2025-04-29 18:05:53微信支付12元]
2025-04-29 18:05:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291805470778734801","queue_number":9,"trade_uid":"2504291805470007319365"}]}
2025-04-29 18:05:55 >>>故障排除日志:删除未同步下发订单成功2504291805470007319365
2025-04-29 18:05:55 >>>故障排除日志:终端同步成功后剩余订单列表
===18:19:30===
2025-04-29 18:18:32>>>cash read=9E
2025-04-29 18:18:33>>>cash read=3E
===18:40:30===
2025-04-29 18:39:48 >>>回调事件[910,devices/TL3425]
2025-04-29 18:39:48 >>>故障排除日志:上一MQTT订单号缓存列表为2504291805470007319365
2025-04-29 18:39:48 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:39:48 开始打印,排队:10,票券:2504291839422359865601,订单:2504291839420023201262,[2025-04-29 18:39:48微信支付12元]
2025-04-29 18:39:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291839422359865601","queue_number":10,"trade_uid":"2504291839420023201262"}]}
2025-04-29 18:39:50 >>>故障排除日志:删除未同步下发订单成功2504291839420023201262
2025-04-29 18:39:50 >>>故障排除日志:终端同步成功后剩余订单列表
===18:52:30===
2025-04-29 18:52:05 >>>回调事件[910,devices/TL3425]
2025-04-29 18:52:05 >>>故障排除日志:上一MQTT订单号缓存列表为2504291839420023201262
2025-04-29 18:52:05 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:52:05 开始打印,排队:11,票券:2504291851560153313501,订单:2504291851560001100517,[2025-04-29 18:52:04微信支付12元]
2025-04-29 18:52:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291851560153313501","queue_number":11,"trade_uid":"2504291851560001100517"}]}
2025-04-29 18:52:07 >>>故障排除日志:删除未同步下发订单成功2504291851560001100517
2025-04-29 18:52:07 >>>故障排除日志:终端同步成功后剩余订单列表
===18:53:30===
2025-04-29 18:52:35 >>>回调事件[910,devices/TL3425]
2025-04-29 18:52:35 >>>故障排除日志:上一MQTT订单号缓存列表为2504291851560001100517
2025-04-29 18:52:35 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:52:35 开始打印,排队:12,票券:2504291852310209053201,订单:2504291852310001704456,[2025-04-29 18:52:35支付宝支付12元]
2025-04-29 18:52:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291852310209053201","queue_number":12,"trade_uid":"2504291852310001704456"}]}
2025-04-29 18:52:37 >>>故障排除日志:删除未同步下发订单成功2504291852310001704456
2025-04-29 18:52:37 >>>故障排除日志:终端同步成功后剩余订单列表
===18:54:31===
2025-04-29 18:54:25 >>>回调事件[910,devices/TL3425]
2025-04-29 18:54:25 >>>故障排除日志:上一MQTT订单号缓存列表为2504291852310001704456
2025-04-29 18:54:25 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 18:54:25 开始打印,排队:13,票券:2504291854200079716301,订单:2504291854200000385656,[2025-04-29 18:54:25微信支付12元]
2025-04-29 18:54:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291854200079716301","queue_number":13,"trade_uid":"2504291854200000385656"}]}
2025-04-29 18:54:27 >>>故障排除日志:删除未同步下发订单成功2504291854200000385656
2025-04-29 18:54:27 >>>故障排除日志:终端同步成功后剩余订单列表
===19:30:31===
2025-04-29 19:30:00 >>>回调事件[910,devices/TL3425]
2025-04-29 19:30:00 >>>故障排除日志:上一MQTT订单号缓存列表为2504291854200000385656
2025-04-29 19:30:00 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 19:30:00 开始打印,排队:14,票券:2504291929554993285401,订单:2504291929550049529256,[2025-04-29 19:30:00支付宝支付12元]
2025-04-29 19:30:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291929554993285401","queue_number":14,"trade_uid":"2504291929550049529256"}]}
2025-04-29 19:30:02 >>>故障排除日志:删除未同步下发订单成功2504291929550049529256
2025-04-29 19:30:02 >>>故障排除日志:终端同步成功后剩余订单列表
===19:45:32===
2025-04-29 19:45:07 >>>回调事件[910,devices/TL3425]
2025-04-29 19:45:07 >>>故障排除日志:上一MQTT订单号缓存列表为2504291929550049529256
2025-04-29 19:45:07 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 19:45:07 开始打印,排队:15,票券:2504291944370453546401,订单:2504291944370004127064,[2025-04-29 19:45:07微信支付12元]
2025-04-29 19:45:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291944370453546401","queue_number":15,"trade_uid":"2504291944370004127064"}]}
2025-04-29 19:45:09 >>>故障排除日志:删除未同步下发订单成功2504291944370004127064
2025-04-29 19:45:09 >>>故障排除日志:终端同步成功后剩余订单列表
===19:49:32===
2025-04-29 19:49:02 >>>回调事件[910,devices/TL3425]
2025-04-29 19:49:02 >>>故障排除日志:上一MQTT订单号缓存列表为2504291944370004127064
2025-04-29 19:49:02 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 19:49:02 开始打印,排队:16,票券:2504291948542570102501,订单:2504291948540025303838,[2025-04-29 19:49:01微信支付12元]
2025-04-29 19:49:04 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291948542570102501","queue_number":16,"trade_uid":"2504291948540025303838"}]}
2025-04-29 19:49:04 >>>故障排除日志:删除未同步下发订单成功2504291948540025303838
2025-04-29 19:49:04 >>>故障排除日志:终端同步成功后剩余订单列表
===19:51:32===
2025-04-29 19:51:09 >>>回调事件[910,devices/TL3425]
2025-04-29 19:51:09 >>>故障排除日志:上一MQTT订单号缓存列表为2504291948540025303838
2025-04-29 19:51:09 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 19:51:09 开始打印,排队:17,票券:2504291951035185567501,订单:2504291951030051402469,[2025-04-29 19:51:08微信支付12元]
2025-04-29 19:51:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291951035185567501","queue_number":17,"trade_uid":"2504291951030051402469"}]}
2025-04-29 19:51:11 >>>故障排除日志:删除未同步下发订单成功2504291951030051402469
2025-04-29 19:51:11 >>>故障排除日志:终端同步成功后剩余订单列表
===19:52:33===
2025-04-29 19:52:13 >>>回调事件[910,devices/TL3425]
2025-04-29 19:52:13 >>>故障排除日志:上一MQTT订单号缓存列表为2504291951030051402469
2025-04-29 19:52:13 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 19:52:13 开始打印,排队:18,票券:2504291952066201327101,订单:2504291952060061619964,[2025-04-29 19:52:12微信支付12元]
2025-04-29 19:52:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504291952066201327101","queue_number":18,"trade_uid":"2504291952060061619964"}]}
2025-04-29 19:52:15 >>>故障排除日志:删除未同步下发订单成功2504291952060061619964
2025-04-29 19:52:15 >>>故障排除日志:终端同步成功后剩余订单列表
===20:02:33===
2025-04-29 20:01:38 >>>回调事件[910,devices/TL3425]
2025-04-29 20:01:38 >>>故障排除日志:上一MQTT订单号缓存列表为2504291952060061619964
2025-04-29 20:01:38 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 20:01:38 开始打印,排队:19,票券:2504292001303974989401,订单:2504292001300039311032,[2025-04-29 20:01:37微信支付12元]
2025-04-29 20:01:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292001303974989401","queue_number":19,"trade_uid":"2504292001300039311032"}]}
2025-04-29 20:01:40 >>>故障排除日志:删除未同步下发订单成功2504292001300039311032
2025-04-29 20:01:40 >>>故障排除日志:终端同步成功后剩余订单列表
===20:50:33===
2025-04-29 20:49:36 >>>回调事件[910,devices/TL3425]
2025-04-29 20:49:36 >>>故障排除日志:上一MQTT订单号缓存列表为2504292001300039311032
2025-04-29 20:49:36 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 20:49:36 开始打印,排队:20,票券:2504292049297755247501,订单:2504292049290077143125,[2025-04-29 20:49:35微信支付12元]
2025-04-29 20:49:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292049297755247501","queue_number":20,"trade_uid":"2504292049290077143125"}]}
2025-04-29 20:49:38 >>>故障排除日志:删除未同步下发订单成功2504292049290077143125
2025-04-29 20:49:38 >>>故障排除日志:终端同步成功后剩余订单列表
===21:08:34===
2025-04-29 21:08:25 >>>回调事件[910,devices/TL3425]
2025-04-29 21:08:25 >>>故障排除日志:上一MQTT订单号缓存列表为2504292049290077143125
2025-04-29 21:08:25 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 21:08:25 开始打印,排队:21,票券:2504292108188597628301,订单:2504292108180085548856,[2025-04-29 21:08:24微信支付12元]
2025-04-29 21:08:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292108188597628301","queue_number":21,"trade_uid":"2504292108180085548856"}]}
2025-04-29 21:08:27 >>>故障排除日志:删除未同步下发订单成功2504292108180085548856
2025-04-29 21:08:27 >>>故障排除日志:终端同步成功后剩余订单列表
===21:24:34===
2025-04-29 21:24:14 >>>回调事件[910,devices/TL3425]
2025-04-29 21:24:14 >>>故障排除日志:上一MQTT订单号缓存列表为2504292108180085548856
2025-04-29 21:24:14 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 21:24:14 开始打印,排队:22,票券:2504292124081473232101,订单:2504292124080014320228,[2025-04-29 21:24:14微信支付12元]
2025-04-29 21:24:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292124081473232101","queue_number":22,"trade_uid":"2504292124080014320228"}]}
2025-04-29 21:24:16 >>>故障排除日志:删除未同步下发订单成功2504292124080014320228
2025-04-29 21:24:16 >>>故障排除日志:终端同步成功后剩余订单列表
===21:32:34===
2025-04-29 21:32:22 >>>回调事件[910,devices/TL3425]
2025-04-29 21:32:23 >>>故障排除日志:上一MQTT订单号缓存列表为2504292124080014320228
2025-04-29 21:32:23 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 21:32:23 开始打印,排队:23,票券:2504292132174453594201,订单:2504292132170044110834,[2025-04-29 21:32:22支付宝支付12元]
2025-04-29 21:32:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292132174453594201","queue_number":23,"trade_uid":"2504292132170044110834"}]}
2025-04-29 21:32:25 >>>故障排除日志:删除未同步下发订单成功2504292132170044110834
2025-04-29 21:32:25 >>>故障排除日志:终端同步成功后剩余订单列表
===21:58:35===
2025-04-29 21:57:59 >>>回调事件[910,devices/TL3425]
2025-04-29 21:57:59 >>>故障排除日志:上一MQTT订单号缓存列表为2504292132170044110834
2025-04-29 21:57:59 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 21:57:59 开始打印,排队:24,票券:2504292157538740227901,订单:2504292157530086995645,[2025-04-29 21:57:59支付宝支付12元]
2025-04-29 21:57:59 开始打印,排队:25,票券:2504292157538740692702,订单:2504292157530086995645,[2025-04-29 21:57:59支付宝支付12元]
2025-04-29 21:58:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292157538740227901","queue_number":24,"trade_uid":"2504292157530086995645"},{"ticket_no":"2504292157538740692702","queue_number":25,"trade_uid":"2504292157530086995645"}]}
2025-04-29 21:58:03 >>>故障排除日志:删除未同步下发订单成功2504292157530086995645
2025-04-29 21:58:03 >>>故障排除日志:删除未同步下发订单成功2504292157530086995645
2025-04-29 21:58:03 >>>故障排除日志:终端同步成功后剩余订单列表
===22:00:35===
2025-04-29 22:00:15 >>>回调事件[910,devices/TL3425]
2025-04-29 22:00:15 >>>故障排除日志:上一MQTT订单号缓存列表为2504292157530086995645|2504292157530086995645
2025-04-29 22:00:15 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 22:00:15 开始打印,排队:26,票券:2504292200097513815901,订单:2504292200090074766623,[2025-04-29 22:00:14支付宝支付12元]
2025-04-29 22:00:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292200097513815901","queue_number":26,"trade_uid":"2504292200090074766623"}]}
2025-04-29 22:00:17 >>>故障排除日志:删除未同步下发订单成功2504292200090074766623
2025-04-29 22:00:17 >>>故障排除日志:终端同步成功后剩余订单列表
===22:56:36===
2025-04-29 22:55:43 >>>回调事件[910,devices/TL3425]
2025-04-29 22:55:43 >>>故障排除日志:上一MQTT订单号缓存列表为2504292200090074766623
2025-04-29 22:55:43 >>>故障排除日志:终端未同步成功订单列表
2025-04-29 22:55:43 开始打印,排队:27,票券:2504292255327982191601,订单:2504292255320079388985,[2025-04-29 22:55:43微信支付12元]
2025-04-29 22:55:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2504292255327982191601","queue_number":27,"trade_uid":"2504292255320079388985"}]}
2025-04-29 22:55:45 >>>故障排除日志:删除未同步下发订单成功2504292255320079388985
2025-04-29 22:55:45 >>>故障排除日志:终端同步成功后剩余订单列表
===23:05:36===
2025-04-29 23:04:54>>>cash read=0A
2025-04-29 23:04:55>>>cash read=3E
===23:24:36===
2025-04-29 23:24:29>>>cash read=0A
2025-04-29 23:24:30>>>cash read=3E