TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.1.4,861658060959825,88302644466999,
poweron reason:0
===07:17:22===
上一时间戳为1688280710
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":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437296460","use_timer":1,"old_price":"15","end_hour":null,"sale_price":"15","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"女士剪发"},{"time_limit_date":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437296453","use_timer":1,"old_price":"13","end_hour":null,"sale_price":"13","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"男士剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:39860****d5e49
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[2.1.4]
定时检测未同步订单启用
2023-07-03 07:16:21>>>cash write=30
2023-07-03 07:16:21>>>cash write=02
2023-07-03 07:16:21>>>cash write=3E
2023-07-03 07:16:21>>>cash read=808F808F808F
系统时间初始化成功，时间为20237371621
2023-07-03 07:16:22>>>cash write=02
2023-07-03 07:16:22 >>>剩余flash空间=1680000,占用RAM为608.0966796875
2023-07-03 07:16:22 >>>回调事件:910,subscribe,10000,连接服务器成功
2023-07-03 07:16:22 >>>剩余flash空间=1680000,占用RAM为580.3154296875
2023-07-03 07:16:22 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2023-07-03 07:16:25>>>cash write=0C
2023-07-03 07:16:25>>>cash read=3E
流量卡还有301天过期
2023-07-03 07:16:29 >>>当前Ram内存为592.9892578125
===07:18:22===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===08:06:37===
上一时间戳为1688339781
当日首次设置时间戳true为1688342736
今日nvm排队号为1
当前排队号为1,音量为7
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":"4351590954437296453","use_timer":1,"old_price":"13","end_hour":null,"sale_price":"13","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"男士剪发"},{"time_limit_date":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"4351590954437296460","use_timer":1,"old_price":"15","end_hour":null,"sale_price":"15","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"女士剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:f7228****881c5
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[2.1.4]
定时检测未同步订单启用
2023-07-03 08:05:36>>>cash write=30
2023-07-03 08:05:36>>>cash write=02
2023-07-03 08:05:36>>>cash write=3E
2023-07-03 08:05:36>>>cash read=808F808F808F
系统时间初始化成功，时间为2023738536
2023-07-03 08:05:37>>>cash write=02
2023-07-03 08:05:37 >>>剩余flash空间=1680000,占用RAM为610.4716796875
2023-07-03 08:05:37 >>>回调事件:910,subscribe,10000,连接服务器成功
2023-07-03 08:05:38 >>>剩余flash空间=1680000,占用RAM为583.68359375
2023-07-03 08:05:38 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2023-07-03 08:05:40>>>cash write=0C
2023-07-03 08:05:40>>>cash read=3E
流量卡还有301天过期
2023-07-03 08:05:44 >>>当前Ram内存为630.6875
===08:07:37===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:24:38===
2023-07-03 11:24:10>>>cash read=0A
2023-07-03 11:24:11>>>cash read=3E
===11:48:38===
2023-07-03 11:48:21>>>cash read=0A
2023-07-03 11:48:22>>>cash read=3E
===12:38:38===
2023-07-03 12:38:18 >>>回调事件[910,devices/TL2072]
2023-07-03 12:38:19 >>>故障排除日志:上一MQTT订单号缓存列表为23070220540346844064|23070220540346844064
2023-07-03 12:38:19 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 12:38:19 开始打印,排队:1,票券:2307031238128313043001,订单:23070312381283123582,[2023-07-03 12:38:12微信支付13元]
2023-07-03 12:38:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031238128313043001","queue_number":1,"trade_uid":"23070312381283123582"}]}
2023-07-03 12:38:21 >>>故障排除日志:删除未同步下发订单成功23070312381283123582
2023-07-03 12:38:21 >>>故障排除日志:终端同步成功后剩余订单列表
===17:07:39===
2023-07-03 17:07:22 >>>回调事件[910,devices/TL2072]
2023-07-03 17:07:22 >>>故障排除日志:上一MQTT订单号缓存列表为23070312381283123582
2023-07-03 17:07:22 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 17:07:22 开始打印,排队:2,票券:2307031707152805780101,订单:23070317071528051064,[2023-07-03 17:07:15微信支付13元]
2023-07-03 17:07:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031707152805780101","queue_number":2,"trade_uid":"23070317071528051064"}]}
2023-07-03 17:07:24 >>>故障排除日志:删除未同步下发订单成功23070317071528051064
2023-07-03 17:07:24 >>>故障排除日志:终端同步成功后剩余订单列表
===18:06:39===
2023-07-03 18:06:10>>>cash read=0A
2023-07-03 18:06:12>>>cash read=3E
===18:16:39===
2023-07-03 18:16:15>>>cash read=0A
2023-07-03 18:16:17>>>cash read=3E
===19:16:40===
2023-07-03 19:16:23 >>>回调事件[910,devices/TL2072]
2023-07-03 19:16:23 >>>故障排除日志:上一MQTT订单号缓存列表为23070317071528051064
2023-07-03 19:16:23 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:16:23 开始打印,排队:3,票券:2307031916155632945001,订单:23070319161556323326,[2023-07-03 19:16:15支付宝支付13元]
2023-07-03 19:16:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031916155632945001","queue_number":3,"trade_uid":"23070319161556323326"}]}
2023-07-03 19:16:25 >>>故障排除日志:删除未同步下发订单成功23070319161556323326
2023-07-03 19:16:25 >>>故障排除日志:终端同步成功后剩余订单列表
===19:21:40===
2023-07-03 19:20:40 >>>回调事件[910,devices/TL2072]
2023-07-03 19:20:40 >>>故障排除日志:上一MQTT订单号缓存列表为23070319161556323326
2023-07-03 19:20:40 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:20:40 开始打印,排队:4,票券:2307031920290238980501,订单:23070319202902381728,[2023-07-03 19:20:29微信支付13元]
2023-07-03 19:20:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031920290238980501","queue_number":4,"trade_uid":"23070319202902381728"}]}
2023-07-03 19:20:42 >>>故障排除日志:删除未同步下发订单成功23070319202902381728
2023-07-03 19:20:42 >>>故障排除日志:终端同步成功后剩余订单列表
===19:32:40===
2023-07-03 19:32:34 >>>回调事件[910,devices/TL2072]
2023-07-03 19:32:34 >>>故障排除日志:上一MQTT订单号缓存列表为23070319202902381728
2023-07-03 19:32:34 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:32:34 开始打印,排队:5,票券:2307031932284201342101,订单:23070319322842005307,[2023-07-03 19:32:28支付宝支付15元]
2023-07-03 19:32:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031932284201342101","queue_number":5,"trade_uid":"23070319322842005307"}]}
2023-07-03 19:32:36 >>>故障排除日志:删除未同步下发订单成功23070319322842005307
2023-07-03 19:32:36 >>>故障排除日志:终端同步成功后剩余订单列表
===19:35:41===
2023-07-03 19:34:46 >>>回调事件[910,devices/TL2072]
2023-07-03 19:34:46 >>>故障排除日志:上一MQTT订单号缓存列表为23070319322842005307
2023-07-03 19:34:46 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:34:46 开始打印,排队:6,票券:2307031934375617966101,订单:23070319343756173709,[2023-07-03 19:34:37微信支付13元]
2023-07-03 19:34:46 开始打印,排队:7,票券:2307031934375618129202,订单:23070319343756173709,[2023-07-03 19:34:37微信支付13元]
2023-07-03 19:34:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031934375617966101","queue_number":6,"trade_uid":"23070319343756173709"},{"ticket_no":"2307031934375618129202","queue_number":7,"trade_uid":"23070319343756173709"}]}
2023-07-03 19:34:50 >>>故障排除日志:删除未同步下发订单成功23070319343756173709
2023-07-03 19:34:50 >>>故障排除日志:删除未同步下发订单成功23070319343756173709
2023-07-03 19:34:50 >>>故障排除日志:终端同步成功后剩余订单列表
===19:39:41===
2023-07-03 19:39:18 >>>回调事件[910,devices/TL2072]
2023-07-03 19:39:18 >>>故障排除日志:上一MQTT订单号缓存列表为23070319343756173709|23070319343756173709
2023-07-03 19:39:18 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:39:18 开始打印,排队:8,票券:2307031939117012460301,订单:23070319391170119193,[2023-07-03 19:39:11微信支付13元]
2023-07-03 19:39:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031939117012460301","queue_number":8,"trade_uid":"23070319391170119193"}]}
2023-07-03 19:39:20 >>>故障排除日志:删除未同步下发订单成功23070319391170119193
2023-07-03 19:39:20 >>>故障排除日志:终端同步成功后剩余订单列表
===19:40:43===
2023-07-03 19:40:39 >>>回调事件[910,devices/TL2072]
2023-07-03 19:40:39 >>>故障排除日志:上一MQTT订单号缓存列表为23070319391170119193
2023-07-03 19:40:39 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:40:39 开始打印,排队:9,票券:2307031940336160438001,订单:23070319403361596829,[2023-07-03 19:40:33微信支付13元]
===19:41:43===
2023-07-03 19:40:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031940336160438001","queue_number":9,"trade_uid":"23070319403361596829"}]}
2023-07-03 19:40:41 >>>故障排除日志:删除未同步下发订单成功23070319403361596829
2023-07-03 19:40:41 >>>故障排除日志:终端同步成功后剩余订单列表
===19:49:43===
2023-07-03 19:49:37 >>>回调事件[910,devices/TL2072]
2023-07-03 19:49:37 >>>故障排除日志:上一MQTT订单号缓存列表为23070319403361596829
2023-07-03 19:49:37 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:49:37 开始打印,排队:10,票券:2307031949300964682301,订单:23070319493009638956,[2023-07-03 19:49:30微信支付13元]
2023-07-03 19:49:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031949300964682301","queue_number":10,"trade_uid":"23070319493009638956"}]}
2023-07-03 19:49:39 >>>故障排除日志:删除未同步下发订单成功23070319493009638956
2023-07-03 19:49:39 >>>故障排除日志:终端同步成功后剩余订单列表
===19:50:43===
2023-07-03 19:49:43 >>>回调事件[910,devices/TL2072]
2023-07-03 19:49:43 >>>故障排除日志:上一MQTT订单号缓存列表为23070319493009638956
2023-07-03 19:49:43 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:49:43 开始打印,排队:11,票券:2307031949364662601301,订单:23070319493646617054,[2023-07-03 19:49:36微信支付13元]
2023-07-03 19:49:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031949364662601301","queue_number":11,"trade_uid":"23070319493646617054"}]}
2023-07-03 19:49:45 >>>故障排除日志:删除未同步下发订单成功23070319493646617054
2023-07-03 19:49:45 >>>故障排除日志:终端同步成功后剩余订单列表
===19:51:44===
2023-07-03 19:51:23 >>>回调事件[910,devices/TL2072]
2023-07-03 19:51:23 >>>故障排除日志:上一MQTT订单号缓存列表为23070319493646617054
2023-07-03 19:51:23 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:51:23 开始打印,排队:12,票券:2307031951175381634701,订单:23070319511753807940,[2023-07-03 19:51:17微信支付13元]
2023-07-03 19:51:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031951175381634701","queue_number":12,"trade_uid":"23070319511753807940"}]}
2023-07-03 19:51:25 >>>故障排除日志:删除未同步下发订单成功23070319511753807940
2023-07-03 19:51:25 >>>故障排除日志:终端同步成功后剩余订单列表
===19:52:44===
2023-07-03 19:52:16 >>>回调事件[910,devices/TL2072]
2023-07-03 19:52:16 >>>故障排除日志:上一MQTT订单号缓存列表为23070319511753807940
2023-07-03 19:52:16 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:52:16 开始打印,排队:13,票券:2307031952060770207601,订单:23070319520607694891,[2023-07-03 19:52:06微信支付13元]
2023-07-03 19:52:16 开始打印,排队:14,票券:2307031952060770403002,订单:23070319520607694891,[2023-07-03 19:52:06微信支付13元]
2023-07-03 19:52:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031952060770207601","queue_number":13,"trade_uid":"23070319520607694891"},{"ticket_no":"2307031952060770403002","queue_number":14,"trade_uid":"23070319520607694891"}]}
2023-07-03 19:52:20 >>>故障排除日志:删除未同步下发订单成功23070319520607694891
2023-07-03 19:52:20 >>>故障排除日志:删除未同步下发订单成功23070319520607694891
2023-07-03 19:52:20 >>>故障排除日志:终端同步成功后剩余订单列表
2023-07-03 19:52:22 >>>回调事件[910,devices/TL2072]
2023-07-03 19:52:22 >>>故障排除日志:上一MQTT订单号缓存列表为23070319520607694891|23070319520607694891
2023-07-03 19:52:22 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 19:52:22 开始打印,排队:15,票券:2307031952157958401401,订单:23070319521579577512,[2023-07-03 19:52:15微信支付13元]
2023-07-03 19:52:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307031952157958401401","queue_number":15,"trade_uid":"23070319521579577512"}]}
2023-07-03 19:52:24 >>>故障排除日志:删除未同步下发订单成功23070319521579577512
2023-07-03 19:52:24 >>>故障排除日志:终端同步成功后剩余订单列表
===20:02:44===
2023-07-03 20:02:24>>>cash read=29
2023-07-03 20:02:24 >>>回调事件130,cash_status,20029,退钞中
2023-07-03 20:02:26>>>cash read=3E
2023-07-03 20:02:27>>>cash read=00
2023-07-03 20:02:28>>>cash read=29
2023-07-03 20:02:28 >>>回调事件130,cash_status,20029,退钞中
2023-07-03 20:02:29>>>cash read=01
2023-07-03 20:02:31>>>cash read=3E
2023-07-03 20:02:34>>>cash read=00
2023-07-03 20:02:35>>>cash read=01
2023-07-03 20:02:39>>>cash read=3E
===20:03:45===
2023-07-03 20:02:45>>>cash read=00
2023-07-03 20:02:46>>>cash read=2F29
2023-07-03 20:02:47>>>cash read=00
2023-07-03 20:02:49>>>cash read=01
2023-07-03 20:02:52>>>cash read=3E
2023-07-03 20:02:54>>>cash read=00
2023-07-03 20:02:55>>>cash read=818F41
2023-07-03 20:02:55>>>cash write=02
2023-07-03 20:02:55 >>>回调事件130,cash_status,10022,进钞中...read money=5
2023-07-03 20:02:55>>>cash read=10
2023-07-03 20:02:55 >>>回调事件130,5,10023,finish Money=5,进钞完成
2023-07-03 20:02:56>>>cash write=0C
2023-07-03 20:02:56>>>cash read=3E
2023-07-03 20:03:04>>>cash read=00
2023-07-03 20:03:05>>>cash read=818F42
2023-07-03 20:03:05>>>cash write=02
2023-07-03 20:03:05 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-07-03 20:03:06>>>cash read=10
2023-07-03 20:03:06 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-07-03 20:03:06 >>>开始打印,排队号为16,订单号为2307032002550020724601
2023-07-03 20:03:06>>>订单2307032002550020724601写入成功,剩余空间为1679500,占用RAM为590.541015625
删除未同步订单2307032002550020724601
2023-07-03 20:03:08>>>订单2307032002550020724601删除成功,剩余空间为1680000,占用RAM为604.234375
检测订单目录中>>>
无未同步订单>>>
2023-07-03 20:03:08 >>>当前Ram内存为573.1962890625
定时检测未同步订单启用
2023-07-03 20:03:09>>>cash write=0C
2023-07-03 20:03:09>>>cash read=3E
===20:04:45===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===20:08:45===
2023-07-03 20:07:59 >>>回调事件[910,devices/TL2072]
2023-07-03 20:07:59 >>>故障排除日志:上一MQTT订单号缓存列表为23070319521579577512
2023-07-03 20:07:59 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:07:59 开始打印,排队:17,票券:2307032007495757740101,订单:23070320074957571178,[2023-07-03 20:07:49微信支付13元]
2023-07-03 20:08:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032007495757740101","queue_number":17,"trade_uid":"23070320074957571178"}]}
2023-07-03 20:08:02 >>>故障排除日志:删除未同步下发订单成功23070320074957571178
2023-07-03 20:08:02 >>>故障排除日志:终端同步成功后剩余订单列表
===20:17:46===
2023-07-03 20:17:10 >>>回调事件[910,devices/TL2072]
2023-07-03 20:17:10 >>>故障排除日志:上一MQTT订单号缓存列表为23070320074957571178
2023-07-03 20:17:10 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:17:10 开始打印,排队:18,票券:2307032017001268460101,订单:23070320170012678037,[2023-07-03 20:17:00微信支付13元]
2023-07-03 20:17:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032017001268460101","queue_number":18,"trade_uid":"23070320170012678037"}]}
2023-07-03 20:17:12 >>>故障排除日志:删除未同步下发订单成功23070320170012678037
2023-07-03 20:17:12 >>>故障排除日志:终端同步成功后剩余订单列表
===20:27:46===
2023-07-03 20:27:24 >>>回调事件[910,devices/TL2072]
2023-07-03 20:27:24 >>>故障排除日志:上一MQTT订单号缓存列表为23070320170012678037
2023-07-03 20:27:24 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:27:24 开始打印,排队:19,票券:2307032027136238657201,订单:23070320271362380170,[2023-07-03 20:27:13微信支付13元]
2023-07-03 20:27:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032027136238657201","queue_number":19,"trade_uid":"23070320271362380170"}]}
2023-07-03 20:27:26 >>>故障排除日志:删除未同步下发订单成功23070320271362380170
2023-07-03 20:27:26 >>>故障排除日志:终端同步成功后剩余订单列表
===20:28:46===
2023-07-03 20:28:08 >>>回调事件[910,devices/TL2072]
2023-07-03 20:28:08 >>>故障排除日志:上一MQTT订单号缓存列表为23070320271362380170
2023-07-03 20:28:08 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:28:08 开始打印,排队:20,票券:2307032028036034334501,订单:23070320280360336553,[2023-07-03 20:28:03微信支付13元]
2023-07-03 20:28:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032028036034334501","queue_number":20,"trade_uid":"23070320280360336553"}]}
2023-07-03 20:28:11 >>>故障排除日志:删除未同步下发订单成功23070320280360336553
2023-07-03 20:28:11 >>>故障排除日志:终端同步成功后剩余订单列表
===20:35:46===
2023-07-03 20:35:39 >>>回调事件[910,devices/TL2072]
2023-07-03 20:35:39 >>>故障排除日志:上一MQTT订单号缓存列表为23070320280360336553
2023-07-03 20:35:39 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:35:39 开始打印,排队:21,票券:2307032035306065662401,订单:23070320353060648030,[2023-07-03 20:35:30微信支付13元]
2023-07-03 20:35:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032035306065662401","queue_number":21,"trade_uid":"23070320353060648030"}]}
2023-07-03 20:35:41 >>>故障排除日志:删除未同步下发订单成功23070320353060648030
2023-07-03 20:35:41 >>>故障排除日志:终端同步成功后剩余订单列表
===20:40:47===
2023-07-03 20:40:37 >>>回调事件[910,devices/TL2072]
2023-07-03 20:40:37 >>>故障排除日志:上一MQTT订单号缓存列表为23070320353060648030
2023-07-03 20:40:37 >>>故障排除日志:终端未同步成功订单列表
2023-07-03 20:40:37 开始打印,排队:22,票券:2307032040224789013801,订单:23070320402247882935,[2023-07-03 20:40:22微信支付13元]
2023-07-03 20:40:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2307032040224789013801","queue_number":22,"trade_uid":"23070320402247882935"}]}
2023-07-03 20:40:39 >>>故障排除日志:删除未同步下发订单成功23070320402247882935
2023-07-03 20:40:39 >>>故障排除日志:终端同步成功后剩余订单列表
===22:00:47===
2023-07-03 21:59:48>>>cash read=0A
2023-07-03 21:59:49>>>cash read=3E