TLClient_JSSCOM_LuatOS-Air_V3205_RDA8910_RFTTS_0xe0000,2.6.7,861714058744545,07265111821385,
poweron reason:0

===09:02:44===
上一时间戳为1741655603
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4
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":"5648114436008267933","use_timer":1,"old_price":"15","end_hour":null,"sale_price":"10","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"快剪"}]
打印门店标题设置为欢迎光临
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:ae07f****88fab
纸币器设置接收纸币范围为10
欢迎使用天羚自助售票系统[2.6.7]
定时检测未同步订单启用
2025-03-12 09:01:43>>>cash write=30
2025-03-12 09:01:43>>>cash write=02
2025-03-12 09:01:43>>>cash write=3E
2025-03-12 09:01:43>>>cash read=808F808F808F
系统时间初始化成功，时间为20253129143
2025-03-12 09:01:44>>>cash write=02
2025-03-12 09:01:44 >>>剩余flash空间=1674500,占用RAM为633.234375
2025-03-12 09:01:44 >>>回调事件:910,subscribe,10000,连接服务器成功

2025-03-12 09:01:45 >>>剩余flash空间=1674000,占用RAM为604.3525390625
2025-03-12 09:01:45 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2025-03-12 09:01:47>>>cash write=0C
2025-03-12 09:01:47>>>cash read=3E
流量卡还有19天过期
2025-03-12 09:01:53 >>>当前Ram内存为624.6171875


===09:03:44===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:26:44===
2025-03-12 09:25:57>>>cash read=1F
2025-03-12 09:25:58>>>cash read=3E


===09:56:44===
2025-03-12 09:56:10>>>cash read=9E
2025-03-12 09:56:12>>>cash read=3E
2025-03-12 09:56:37 >>>回调事件[910,devices/TL1247]
当日首次设置时间戳true为1741744597
2025-03-12 09:56:37 >>>故障排除日志:上一MQTT订单号缓存列表为25031120432681443557
2025-03-12 09:56:37 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 09:56:37 开始打印,排队:1,票券:2503120956284453832301,订单:25031209562844534672,[2025-03-12 09:56:37微信支付10元]
2025-03-12 09:56:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503120956284453832301","queue_number":1,"trade_uid":"25031209562844534672"}]}
2025-03-12 09:56:39 >>>故障排除日志:删除未同步下发订单成功25031209562844534672
2025-03-12 09:56:39 >>>故障排除日志:终端同步成功后剩余订单列表


===10:09:45===
2025-03-12 10:09:10 >>>回调事件[910,devices/TL1247]
2025-03-12 10:09:10 >>>故障排除日志:上一MQTT订单号缓存列表为25031209562844534672
2025-03-12 10:09:10 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 10:09:10 开始打印,排队:2,票券:2503121009016941019301,订单:25031210090169405524,[2025-03-12 10:09:10微信支付10元]
2025-03-12 10:09:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121009016941019301","queue_number":2,"trade_uid":"25031210090169405524"}]}
2025-03-12 10:09:12 >>>故障排除日志:删除未同步下发订单成功25031210090169405524
2025-03-12 10:09:12 >>>故障排除日志:终端同步成功后剩余订单列表


===10:36:45===
2025-03-12 10:36:00>>>cash read=BF
2025-03-12 10:36:01>>>cash read=3E


===10:47:45===
2025-03-12 10:46:45>>>cash read=1F
2025-03-12 10:46:46>>>cash read=3E


===10:52:46===
2025-03-12 10:52:25>>>cash read=BF
2025-03-12 10:52:26>>>cash read=3E


===11:17:46===
2025-03-12 11:17:20 >>>回调事件[910,devices/TL1247]
2025-03-12 11:17:20 >>>故障排除日志:上一MQTT订单号缓存列表为25031210090169405524
2025-03-12 11:17:20 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 11:17:20 开始打印,排队:3,票券:2503121117127116399201,订单:25031211171271157639,[2025-03-12 11:17:19微信支付10元]
2025-03-12 11:17:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121117127116399201","queue_number":3,"trade_uid":"25031211171271157639"}]}
2025-03-12 11:17:22 >>>故障排除日志:删除未同步下发订单成功25031211171271157639
2025-03-12 11:17:22 >>>故障排除日志:终端同步成功后剩余订单列表


===11:24:46===
2025-03-12 11:23:48>>>cash read=1F
2025-03-12 11:23:49>>>cash read=3E


===12:06:46===
2025-03-12 12:05:51>>>cash read=BF
2025-03-12 12:05:52>>>cash read=3E


===13:10:47===
2025-03-12 13:10:12>>>cash read=BF
2025-03-12 13:10:13>>>cash read=3E


===13:17:47===
2025-03-12 13:16:47>>>cash read=BF
2025-03-12 13:16:48>>>cash read=3E


===13:26:47===
2025-03-12 13:26:31>>>cash read=1F
2025-03-12 13:26:32>>>cash read=3E


===13:37:47===
2025-03-12 13:36:55>>>cash read=BF
2025-03-12 13:36:56>>>cash read=3E


===14:02:47===
2025-03-12 14:02:04>>>cash read=9E
2025-03-12 14:02:05>>>cash read=3E


===14:28:48===
2025-03-12 14:28:34>>>cash read=1F
2025-03-12 14:28:35>>>cash read=3E


===15:06:48===
2025-03-12 15:06:33>>>cash read=BF
2025-03-12 15:06:34>>>cash read=3E


===15:22:48===
2025-03-12 15:21:59>>>cash read=9E
2025-03-12 15:22:00>>>cash read=3E


===15:37:48===
2025-03-12 15:37:38>>>cash read=00
2025-03-12 15:37:39>>>cash read=818F42
2025-03-12 15:37:39>>>cash write=02
2025-03-12 15:37:39 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-03-12 15:37:40>>>cash read=10
2025-03-12 15:37:40 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-03-12 15:37:40 当前产品价格10元，投币10元，打印小票中...
2025-03-12 15:37:40 >>>开始打印,排队号为4,订单号为2503121537400011247916
2025-03-12 15:37:40>>>订单2503121537400011247916写入成功,剩余空间为1674000,占用RAM为608.9638671875
删除未同步订单2503121537400011247916
2025-03-12 15:37:42>>>订单2503121537400011247916删除成功,剩余空间为1674500,占用RAM为620.3876953125
检测订单目录中>>>
无未同步订单>>>
2025-03-12 15:37:42 >>>当前Ram内存为593.1279296875
定时检测未同步订单启用
2025-03-12 15:37:43>>>cash write=0C
2025-03-12 15:37:43>>>cash read=3E


===15:38:49===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===15:41:49===
2025-03-12 15:40:52>>>cash read=BF
2025-03-12 15:40:54>>>cash read=3E


===15:54:49===
2025-03-12 15:54:27>>>cash read=0A
2025-03-12 15:54:29>>>cash read=3E


===16:11:49===
2025-03-12 16:11:33>>>cash read=0A
2025-03-12 16:11:35>>>cash read=3E


===16:22:50===
2025-03-12 16:22:13>>>cash read=BF
2025-03-12 16:22:14>>>cash read=3E


===16:26:50===
2025-03-12 16:26:04 >>>回调事件[910,devices/TL1247]
2025-03-12 16:26:04 >>>故障排除日志:上一MQTT订单号缓存列表为25031211171271157639
2025-03-12 16:26:04 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 16:26:04 开始打印,排队:5,票券:2503121625559569192801,订单:25031216255595686387,[2025-03-12 16:26:05微信支付10元]
2025-03-12 16:26:06 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121625559569192801","queue_number":5,"trade_uid":"25031216255595686387"}]}
2025-03-12 16:26:06 >>>故障排除日志:删除未同步下发订单成功25031216255595686387
2025-03-12 16:26:06 >>>故障排除日志:终端同步成功后剩余订单列表


===16:36:50===
2025-03-12 16:36:34>>>cash read=BF
2025-03-12 16:36:35>>>cash read=3E


===16:37:51===
2025-03-12 16:36:50 >>>回调事件[910,devices/TL1247]
2025-03-12 16:36:50 >>>故障排除日志:上一MQTT订单号缓存列表为25031216255595686387
2025-03-12 16:36:50 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 16:36:50 开始打印,排队:6,票券:2503121636436808165901,订单:25031216364368076547,[2025-03-12 16:36:50微信支付10元]
2025-03-12 16:36:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121636436808165901","queue_number":6,"trade_uid":"25031216364368076547"}]}
2025-03-12 16:36:52 >>>故障排除日志:删除未同步下发订单成功25031216364368076547
2025-03-12 16:36:52 >>>故障排除日志:终端同步成功后剩余订单列表


===16:39:51===
2025-03-12 16:38:56>>>cash read=1F
2025-03-12 16:38:57>>>cash read=3E


===16:42:51===
2025-03-12 16:42:00 >>>回调事件[910,devices/TL1247]
2025-03-12 16:42:00 >>>故障排除日志:上一MQTT订单号缓存列表为25031216364368076547
2025-03-12 16:42:00 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 16:42:00 开始打印,排队:7,票券:2503121641525415038601,订单:25031216415254144654,[2025-03-12 16:41:59微信支付10元]
2025-03-12 16:42:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121641525415038601","queue_number":7,"trade_uid":"25031216415254144654"}]}
2025-03-12 16:42:02 >>>故障排除日志:删除未同步下发订单成功25031216415254144654
2025-03-12 16:42:02 >>>故障排除日志:终端同步成功后剩余订单列表


===16:54:52===
2025-03-12 16:54:25 >>>回调事件[910,devices/TL1247]
2025-03-12 16:54:25 >>>故障排除日志:上一MQTT订单号缓存列表为25031216415254144654
2025-03-12 16:54:25 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 16:54:25 开始打印,排队:8,票券:2503121654168755228401,订单:25031216541687547769,[2025-03-12 16:54:25微信支付10元]
2025-03-12 16:54:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121654168755228401","queue_number":8,"trade_uid":"25031216541687547769"}]}
2025-03-12 16:54:28 >>>故障排除日志:删除未同步下发订单成功25031216541687547769
2025-03-12 16:54:28 >>>故障排除日志:终端同步成功后剩余订单列表


===16:55:52===
2025-03-12 16:54:54>>>cash read=1F
2025-03-12 16:54:55>>>cash read=3E


===16:59:52===
2025-03-12 16:59:05>>>cash read=BF
2025-03-12 16:59:06>>>cash read=3E


===17:16:52===
2025-03-12 17:16:48 >>>回调事件[910,devices/TL1247]
2025-03-12 17:16:48 >>>故障排除日志:上一MQTT订单号缓存列表为25031216541687547769
2025-03-12 17:16:48 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 17:16:48 开始打印,排队:9,票券:2503121716413980686301,订单:25031217164139801337,[2025-03-12 17:16:48微信支付10元]
2025-03-12 17:16:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121716413980686301","queue_number":9,"trade_uid":"25031217164139801337"}]}
2025-03-12 17:16:50 >>>故障排除日志:删除未同步下发订单成功25031217164139801337
2025-03-12 17:16:50 >>>故障排除日志:终端同步成功后剩余订单列表


===17:37:53===
2025-03-12 17:37:35>>>cash read=1F
2025-03-12 17:37:36>>>cash read=3E


===17:39:53===
2025-03-12 17:39:28>>>cash read=9E
2025-03-12 17:39:29>>>cash read=3E


===17:43:53===
2025-03-12 17:43:19 >>>回调事件[910,devices/TL1247]
2025-03-12 17:43:19 >>>故障排除日志:上一MQTT订单号缓存列表为25031217164139801337
2025-03-12 17:43:19 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 17:43:19 开始打印,排队:10,票券:2503121743050890465801,订单:25031217430508897187,[2025-03-12 17:43:18微信支付10元]
2025-03-12 17:43:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121743050890465801","queue_number":10,"trade_uid":"25031217430508897187"}]}
2025-03-12 17:43:21 >>>故障排除日志:删除未同步下发订单成功25031217430508897187
2025-03-12 17:43:21 >>>故障排除日志:终端同步成功后剩余订单列表


===17:46:53===
2025-03-12 17:46:29>>>cash read=1F
2025-03-12 17:46:30>>>cash read=3E


===18:13:55===
2025-03-12 18:13:14 >>>回调事件[910,devices/TL1247]
2025-03-12 18:13:15 >>>故障排除日志:上一MQTT订单号缓存列表为25031217430508897187
2025-03-12 18:13:15 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 18:13:15 开始打印,排队:11,票券:2503121813084141537101,订单:25031218130841409481,[2025-03-12 18:13:15微信支付10元]
2025-03-12 18:13:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121813084141537101","queue_number":11,"trade_uid":"25031218130841409481"}]}
2025-03-12 18:13:17 >>>故障排除日志:删除未同步下发订单成功25031218130841409481
2025-03-12 18:13:17 >>>故障排除日志:终端同步成功后剩余订单列表


===18:35:55===
2025-03-12 18:35:14>>>cash read=1F
2025-03-12 18:35:15>>>cash read=3E


===18:37:55===
2025-03-12 18:37:38 >>>回调事件[910,devices/TL1247]
2025-03-12 18:37:38 >>>故障排除日志:上一MQTT订单号缓存列表为25031218130841409481
2025-03-12 18:37:38 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 18:37:38 开始打印,排队:12,票券:2503121837171014954101,订单:25031218371710143962,[2025-03-12 18:37:36微信支付10元]
2025-03-12 18:37:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121837171014954101","queue_number":12,"trade_uid":"25031218371710143962"}]}
2025-03-12 18:37:40 >>>故障排除日志:删除未同步下发订单成功25031218371710143962
2025-03-12 18:37:40 >>>故障排除日志:终端同步成功后剩余订单列表


===18:56:55===
2025-03-12 18:56:52>>>cash read=BF
2025-03-12 18:56:54>>>cash read=3E


===19:14:57===
2025-03-12 19:14:53 >>>回调事件[910,devices/TL1247]
2025-03-12 19:14:53 >>>故障排除日志:上一MQTT订单号缓存列表为25031218371710143962
2025-03-12 19:14:53 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 19:14:53 开始打印,排队:13,票券:2503121914457159127401,订单:25031219144571586321,[2025-03-12 19:14:53微信支付10元]


===19:15:57===
2025-03-12 19:14:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121914457159127401","queue_number":13,"trade_uid":"25031219144571586321"}]}
2025-03-12 19:14:56 >>>故障排除日志:删除未同步下发订单成功25031219144571586321
2025-03-12 19:14:56 >>>故障排除日志:终端同步成功后剩余订单列表
2025-03-12 19:15:48>>>cash read=BF
2025-03-12 19:15:49>>>cash read=3E


===19:28:57===
2025-03-12 19:28:05 >>>回调事件[910,devices/TL1247]
2025-03-12 19:28:05 >>>故障排除日志:上一MQTT订单号缓存列表为25031219144571586321
2025-03-12 19:28:05 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 19:28:05 开始打印,排队:14,票券:2503121927598764707601,订单:25031219275987642253,[2025-03-12 19:28:06微信支付10元]
2025-03-12 19:28:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121927598764707601","queue_number":14,"trade_uid":"25031219275987642253"}]}
2025-03-12 19:28:07 >>>故障排除日志:删除未同步下发订单成功25031219275987642253
2025-03-12 19:28:08 >>>故障排除日志:终端同步成功后剩余订单列表


===19:29:58===
2025-03-12 19:29:02 >>>回调事件[910,devices/TL1247]
2025-03-12 19:29:02 >>>故障排除日志:上一MQTT订单号缓存列表为25031219275987642253
2025-03-12 19:29:02 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 19:29:02 开始打印,排队:15,票券:2503121928568883992601,订单:25031219285688835441,[2025-03-12 19:29:02微信支付10元]
2025-03-12 19:29:04 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121928568883992601","queue_number":15,"trade_uid":"25031219285688835441"}]}
2025-03-12 19:29:04 >>>故障排除日志:删除未同步下发订单成功25031219285688835441
2025-03-12 19:29:04 >>>故障排除日志:终端同步成功后剩余订单列表
2025-03-12 19:29:17>>>cash read=BF
2025-03-12 19:29:18>>>cash read=3E


===19:34:58===
2025-03-12 19:34:24>>>cash read=BF
2025-03-12 19:34:25>>>cash read=3E


===19:52:58===
2025-03-12 19:52:04 >>>回调事件[910,devices/TL1247]
2025-03-12 19:52:04 >>>故障排除日志:上一MQTT订单号缓存列表为25031219285688835441
2025-03-12 19:52:04 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 19:52:04 开始打印,排队:16,票券:2503121951557130517301,订单:25031219515571301185,[2025-03-12 19:52:03微信支付10元]
2025-03-12 19:52:06 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503121951557130517301","queue_number":16,"trade_uid":"25031219515571301185"}]}
2025-03-12 19:52:06 >>>故障排除日志:删除未同步下发订单成功25031219515571301185
2025-03-12 19:52:06 >>>故障排除日志:终端同步成功后剩余订单列表


===20:04:58===
2025-03-12 20:04:12 >>>回调事件[910,devices/TL1247]
2025-03-12 20:04:12 >>>故障排除日志:上一MQTT订单号缓存列表为25031219515571301185
2025-03-12 20:04:12 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 20:04:12 开始打印,排队:17,票券:2503122004042912643701,订单:25031220040429121854,[2025-03-12 20:04:12微信支付10元]
2025-03-12 20:04:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503122004042912643701","queue_number":17,"trade_uid":"25031220040429121854"}]}
2025-03-12 20:04:14 >>>故障排除日志:删除未同步下发订单成功25031220040429121854
2025-03-12 20:04:14 >>>故障排除日志:终端同步成功后剩余订单列表


===20:09:59===
2025-03-12 20:09:28 >>>回调事件[910,devices/TL1247]
2025-03-12 20:09:28 >>>故障排除日志:上一MQTT订单号缓存列表为25031220040429121854
2025-03-12 20:09:28 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 20:09:28 开始打印,排队:18,票券:2503122009208569706701,订单:25031220092085691592,[2025-03-12 20:09:28支付宝支付10元]
2025-03-12 20:09:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503122009208569706701","queue_number":18,"trade_uid":"25031220092085691592"}]}
2025-03-12 20:09:30 >>>故障排除日志:删除未同步下发订单成功25031220092085691592
2025-03-12 20:09:30 >>>故障排除日志:终端同步成功后剩余订单列表


===20:19:59===
2025-03-12 20:19:22 >>>回调事件[910,devices/TL1247]
2025-03-12 20:19:22 >>>故障排除日志:上一MQTT订单号缓存列表为25031220092085691592
2025-03-12 20:19:22 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 20:19:22 开始打印,排队:19,票券:2503122019172658836201,订单:25031220191726582996,[2025-03-12 20:19:23微信支付10元]
2025-03-12 20:19:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503122019172658836201","queue_number":19,"trade_uid":"25031220191726582996"}]}
2025-03-12 20:19:24 >>>故障排除日志:删除未同步下发订单成功25031220191726582996
2025-03-12 20:19:24 >>>故障排除日志:终端同步成功后剩余订单列表


===20:25:59===
2025-03-12 20:25:15>>>cash read=9E
2025-03-12 20:25:16>>>cash read=3E


===20:36:59===
2025-03-12 20:36:20 >>>回调事件[910,devices/TL1247]
2025-03-12 20:36:20 >>>故障排除日志:上一MQTT订单号缓存列表为25031220191726582996
2025-03-12 20:36:20 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 20:36:20 开始打印,排队:20,票券:2503122036132771444101,订单:25031220361327708567,[2025-03-12 20:36:20微信支付10元]
2025-03-12 20:36:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503122036132771444101","queue_number":20,"trade_uid":"25031220361327708567"}]}
2025-03-12 20:36:22 >>>故障排除日志:删除未同步下发订单成功25031220361327708567
2025-03-12 20:36:22 >>>故障排除日志:终端同步成功后剩余订单列表


===20:40:59===
2025-03-12 20:40:45 >>>回调事件[910,devices/TL1247]
2025-03-12 20:40:45 >>>故障排除日志:上一MQTT订单号缓存列表为25031220361327708567
2025-03-12 20:40:45 >>>故障排除日志:终端未同步成功订单列表
2025-03-12 20:40:45 开始打印,排队:21,票券:2503122040372786149101,订单:25031220403727857661,[2025-03-12 20:40:44微信支付10元]
2025-03-12 20:40:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503122040372786149101","queue_number":21,"trade_uid":"25031220403727857661"}]}
2025-03-12 20:40:47 >>>故障排除日志:删除未同步下发订单成功25031220403727857661
2025-03-12 20:40:47 >>>故障排除日志:终端同步成功后剩余订单列表


===20:48:59===
2025-03-12 20:48:26>>>cash read=1F
2025-03-12 20:48:27>>>cash read=3E
2025-03-12 20:48:57>>>cash read=1F
2025-03-12 20:48:58>>>cash read=3E