TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.5.1,861658065660782,19478964481146,
poweron reason:0

===08:53:42===
上一时间戳为1727057311
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":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12566542176648113189","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"60岁老人"},{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"4351590954437880787","use_timer":1,"old_price":"13","end_hour":"23","sale_price":"13","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"快剪"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:4c445****1e519
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[2.5.1]
定时检测未同步订单启用
2024-09-24 08:52:42>>>cash write=30
2024-09-24 08:52:42>>>cash write=02
2024-09-24 08:52:42>>>cash write=3E
2024-09-24 08:52:42>>>cash read=808F808F808F808F
系统时间初始化成功，时间为202492485242
2024-09-24 08:52:43>>>cash write=02
2024-09-24 08:52:43 >>>剩余flash空间=1680000,占用RAM为624.7802734375
2024-09-24 08:52:43 >>>回调事件:910,subscribe,10000,连接服务器成功

2024-09-24 08:52:44 >>>剩余flash空间=1680000,占用RAM为597.1923828125
2024-09-24 08:52:44 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2024-09-24 08:52:46>>>cash write=0C
2024-09-24 08:52:46>>>cash read=3E
流量卡还有310天过期
2024-09-24 08:52:50 >>>当前Ram内存为605.21484375


===08:54:43===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:00:43===
2024-09-24 08:59:55>>>cash read=29
2024-09-24 08:59:55 >>>回调事件130,cash_status,20029,退钞中
2024-09-24 08:59:56>>>cash read=3E
2024-09-24 08:59:57>>>cash read=00
2024-09-24 08:59:58>>>cash read=818F42
2024-09-24 08:59:58>>>cash write=02
2024-09-24 08:59:58 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-24 08:59:59>>>cash read=10
2024-09-24 08:59:59 >>>回调事件130,10,10023,finish Money=10,进钞完成
当日首次设置时间戳true为1727139599
2024-09-24 08:59:59 >>>开始打印,排队号为1,订单号为2409240859590023064783
2024-09-24 08:59:59>>>订单2409240859590023064783写入成功,剩余空间为1679500,占用RAM为601.8369140625
删除未同步订单2409240859590023064783
2024-09-24 09:00:01>>>订单2409240859590023064783删除成功,剩余空间为1680500,占用RAM为599.53515625
检测订单目录中>>>
无未同步订单>>>
2024-09-24 09:00:01 >>>当前Ram内存为586.39453125
定时检测未同步订单启用
2024-09-24 09:00:02>>>cash write=0C
2024-09-24 09:00:02>>>cash read=3E


===09:01:43===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:11:44===
2024-09-24 09:10:57 >>>回调事件[910,devices/TL2306]
2024-09-24 09:10:57 >>>故障排除日志:上一MQTT订单号缓存列表为24092316385271892341
2024-09-24 09:10:57 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 09:10:57 开始打印,排队:2,票券:2409240910463491061601,订单:24092409104634904169,[2024-09-24 09:10:57微信支付10元]
2024-09-24 09:10:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409240910463491061601","queue_number":2,"trade_uid":"24092409104634904169"}]}
2024-09-24 09:10:59 >>>故障排除日志:删除未同步下发订单成功24092409104634904169
2024-09-24 09:11:00 >>>故障排除日志:终端同步成功后剩余订单列表


===09:16:44===
2024-09-24 09:16:15 >>>回调事件[910,devices/TL2306]
2024-09-24 09:16:15 >>>故障排除日志:上一MQTT订单号缓存列表为24092409104634904169
2024-09-24 09:16:15 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 09:16:15 开始打印,排队:3,票券:2409240916058494046901,订单:24092409160584936630,[2024-09-24 09:16:14微信支付10元]
2024-09-24 09:16:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409240916058494046901","queue_number":3,"trade_uid":"24092409160584936630"}]}
2024-09-24 09:16:17 >>>故障排除日志:删除未同步下发订单成功24092409160584936630
2024-09-24 09:16:17 >>>故障排除日志:终端同步成功后剩余订单列表


===09:35:44===
2024-09-24 09:35:13>>>cash read=00
2024-09-24 09:35:14>>>cash read=818F42
2024-09-24 09:35:14>>>cash write=02
2024-09-24 09:35:14 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-24 09:35:15>>>cash read=10
2024-09-24 09:35:15 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-24 09:35:15 >>>开始打印,排队号为4,订单号为2409240935150023063830
2024-09-24 09:35:15>>>订单2409240935150023063830写入成功,剩余空间为1680500,占用RAM为603.4462890625
删除未同步订单2409240935150023063830
2024-09-24 09:35:17>>>订单2409240935150023063830删除成功,剩余空间为1680500,占用RAM为617.087890625
检测订单目录中>>>
无未同步订单>>>
2024-09-24 09:35:17 >>>当前Ram内存为588.4990234375
定时检测未同步订单启用
2024-09-24 09:35:18>>>cash write=0C
2024-09-24 09:35:18>>>cash read=3E


===09:36:45===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:52:46===
2024-09-24 09:52:20 >>>回调事件[910,devices/TL2306]
2024-09-24 09:52:20 >>>故障排除日志:上一MQTT订单号缓存列表为24092409160584936630
2024-09-24 09:52:20 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 09:52:20 开始打印,排队:5,票券:2409240952117660136301,订单:24092409521176595385,[2024-09-24 09:52:19微信支付10元]
2024-09-24 09:52:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409240952117660136301","queue_number":5,"trade_uid":"24092409521176595385"}]}
2024-09-24 09:52:22 >>>故障排除日志:删除未同步下发订单成功24092409521176595385
2024-09-24 09:52:23 >>>故障排除日志:终端同步成功后剩余订单列表


===09:59:47===
2024-09-24 09:59:05>>>cash read=00
2024-09-24 09:59:06>>>cash read=818F43
2024-09-24 09:59:06>>>cash write=02
2024-09-24 09:59:06 >>>回调事件130,cash_status,10022,进钞中...read money=20
2024-09-24 09:59:06>>>cash read=10
2024-09-24 09:59:06 >>>回调事件130,20,10023,finish Money=20,进钞完成
2024-09-24 09:59:06 >>>开始打印,排队号为6,订单号为2409240959060023065387
2024-09-24 09:59:07 >>>开始打印,排队号为7,订单号为2409240959060023065387
2024-09-24 09:59:07>>>订单2409240959060023065387写入成功,剩余空间为1679500,占用RAM为609.7314453125
删除未同步订单2409240959060023065387
2024-09-24 09:59:10>>>订单2409240959060023065387删除成功,剩余空间为1680500,占用RAM为598.2421875
检测订单目录中>>>
无未同步订单>>>
2024-09-24 09:59:11 >>>当前Ram内存为588.7578125
定时检测未同步订单启用
2024-09-24 09:59:12>>>cash write=0C
2024-09-24 09:59:12>>>cash read=3E


===10:00:47===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===11:18:47===
2024-09-24 11:17:49 >>>回调事件[910,devices/TL2306]
2024-09-24 11:17:49 >>>故障排除日志:上一MQTT订单号缓存列表为24092409521176595385
2024-09-24 11:17:49 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 11:17:49 开始打印,排队:8,票券:2409241117421914055201,订单:24092411174219136265,[2024-09-24 11:17:49微信支付10元]
2024-09-24 11:17:51 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241117421914055201","queue_number":8,"trade_uid":"24092411174219136265"}]}
2024-09-24 11:17:51 >>>故障排除日志:删除未同步下发订单成功24092411174219136265
2024-09-24 11:17:52 >>>故障排除日志:终端同步成功后剩余订单列表


===14:26:48===
2024-09-24 14:26:44 >>>回调事件[910,devices/TL2306]
2024-09-24 14:26:44 >>>故障排除日志:上一MQTT订单号缓存列表为24092411174219136265
2024-09-24 14:26:44 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 14:26:44 开始打印,排队:9,票券:2409241426371429351501,订单:24092414263714288135,[2024-09-24 14:26:43支付宝支付13元]
2024-09-24 14:26:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241426371429351501","queue_number":9,"trade_uid":"24092414263714288135"}]}
2024-09-24 14:26:46 >>>故障排除日志:删除未同步下发订单成功24092414263714288135
2024-09-24 14:26:46 >>>故障排除日志:终端同步成功后剩余订单列表


===15:06:48===
2024-09-24 15:06:42 >>>回调事件[910,devices/TL2306]
2024-09-24 15:06:42 >>>故障排除日志:上一MQTT订单号缓存列表为24092414263714288135
2024-09-24 15:06:42 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 15:06:42 开始打印,排队:10,票券:2409241506363934167901,订单:24092415063639337421,[2024-09-24 15:06:41微信支付13元]
2024-09-24 15:06:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241506363934167901","queue_number":10,"trade_uid":"24092415063639337421"}]}
2024-09-24 15:06:44 >>>故障排除日志:删除未同步下发订单成功24092415063639337421
2024-09-24 15:06:44 >>>故障排除日志:终端同步成功后剩余订单列表


===15:24:48===
2024-09-24 15:23:50 >>>回调事件[910,devices/TL2306]
2024-09-24 15:23:50 >>>故障排除日志:上一MQTT订单号缓存列表为24092415063639337421
2024-09-24 15:23:50 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 15:23:50 开始打印,排队:11,票券:2409241523442081141601,订单:24092415234420805362,[2024-09-24 15:23:50支付宝支付13元]
2024-09-24 15:23:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241523442081141601","queue_number":11,"trade_uid":"24092415234420805362"}]}
2024-09-24 15:23:52 >>>故障排除日志:删除未同步下发订单成功24092415234420805362
2024-09-24 15:23:52 >>>故障排除日志:终端同步成功后剩余订单列表


===15:28:48===
2024-09-24 15:28:33>>>cash read=0A
2024-09-24 15:28:34>>>cash read=3E


===15:32:49===
2024-09-24 15:32:41 >>>回调事件[910,devices/TL2306]
2024-09-24 15:32:41 >>>故障排除日志:上一MQTT订单号缓存列表为24092415234420805362
2024-09-24 15:32:41 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 15:32:41 开始打印,排队:12,票券:2409241532347704900801,订单:24092415323477044208,[2024-09-24 15:32:40微信支付13元]
2024-09-24 15:32:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241532347704900801","queue_number":12,"trade_uid":"24092415323477044208"}]}
2024-09-24 15:32:43 >>>故障排除日志:删除未同步下发订单成功24092415323477044208
2024-09-24 15:32:43 >>>故障排除日志:终端同步成功后剩余订单列表


===16:03:49===
2024-09-24 16:03:00 >>>回调事件[910,devices/TL2306]
2024-09-24 16:03:00 >>>故障排除日志:上一MQTT订单号缓存列表为24092415323477044208
2024-09-24 16:03:00 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 16:03:00 开始打印,排队:13,票券:2409241602507096646301,订单:24092416025070960526,[2024-09-24 16:02:59支付宝支付13元]
2024-09-24 16:03:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241602507096646301","queue_number":13,"trade_uid":"24092416025070960526"}]}
2024-09-24 16:03:02 >>>故障排除日志:删除未同步下发订单成功24092416025070960526
2024-09-24 16:03:03 >>>故障排除日志:终端同步成功后剩余订单列表


===16:07:49===
2024-09-24 16:07:25 >>>回调事件[910,devices/TL2306]
2024-09-24 16:07:25 >>>故障排除日志:上一MQTT订单号缓存列表为24092416025070960526
2024-09-24 16:07:25 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 16:07:25 开始打印,排队:14,票券:2409241607186770376101,订单:24092416071867699218,[2024-09-24 16:07:25支付宝支付13元]
2024-09-24 16:07:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241607186770376101","queue_number":14,"trade_uid":"24092416071867699218"}]}
2024-09-24 16:07:27 >>>故障排除日志:删除未同步下发订单成功24092416071867699218
2024-09-24 16:07:27 >>>故障排除日志:终端同步成功后剩余订单列表


===17:01:50===
2024-09-24 17:01:26>>>cash read=0A
2024-09-24 17:01:27>>>cash read=3E


===17:46:50===
2024-09-24 17:46:44 >>>回调事件[910,devices/TL2306]
2024-09-24 17:46:44 >>>故障排除日志:上一MQTT订单号缓存列表为24092416071867699218
2024-09-24 17:46:44 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 17:46:44 开始打印,排队:15,票券:2409241746386915726301,订单:24092417463869153496,[2024-09-24 17:46:44微信支付13元]
2024-09-24 17:46:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241746386915726301","queue_number":15,"trade_uid":"24092417463869153496"}]}
2024-09-24 17:46:46 >>>故障排除日志:删除未同步下发订单成功24092417463869153496
2024-09-24 17:46:46 >>>故障排除日志:终端同步成功后剩余订单列表


===17:50:50===
2024-09-24 17:50:12 >>>回调事件[910,devices/TL2306]
2024-09-24 17:50:12 >>>故障排除日志:上一MQTT订单号缓存列表为24092417463869153496
2024-09-24 17:50:12 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 17:50:12 开始打印,排队:16,票券:2409241750029369872701,订单:24092417500293693654,[2024-09-24 17:50:12支付宝支付13元]
2024-09-24 17:50:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241750029369872701","queue_number":16,"trade_uid":"24092417500293693654"}]}
2024-09-24 17:50:14 >>>故障排除日志:删除未同步下发订单成功24092417500293693654
2024-09-24 17:50:14 >>>故障排除日志:终端同步成功后剩余订单列表


===18:04:51===
2024-09-24 18:04:25 >>>回调事件[910,devices/TL2306]
2024-09-24 18:04:25 >>>故障排除日志:上一MQTT订单号缓存列表为24092417500293693654
2024-09-24 18:04:25 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 18:04:25 开始打印,排队:17,票券:2409241804167663378301,订单:24092418041676629739,[2024-09-24 18:04:23微信支付13元]
2024-09-24 18:04:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241804167663378301","queue_number":17,"trade_uid":"24092418041676629739"}]}
2024-09-24 18:04:27 >>>故障排除日志:删除未同步下发订单成功24092418041676629739
2024-09-24 18:04:27 >>>故障排除日志:终端同步成功后剩余订单列表


===18:36:51===
2024-09-24 18:36:48 >>>回调事件[910,devices/TL2306]
2024-09-24 18:36:48 >>>故障排除日志:上一MQTT订单号缓存列表为24092418041676629739
2024-09-24 18:36:48 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 18:36:48 开始打印,排队:18,票券:2409241836191277327401,订单:24092418361912764762,[2024-09-24 18:36:46微信支付10元]


===18:44:51===
2024-09-24 18:43:51>>>cash read=0A
2024-09-24 18:43:52>>>cash read=3E


===19:01:52===
2024-09-24 19:01:22 >>>回调事件[910,devices/TL2306]
2024-09-24 19:01:22 >>>故障排除日志:上一MQTT订单号缓存列表为24092418361912764762
2024-09-24 19:01:22 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 19:01:22 开始打印,排队:19,票券:2409241901170431091701,订单:24092419011704306656,[2024-09-24 19:01:22支付宝支付13元]
2024-09-24 19:01:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241901170431091701","queue_number":19,"trade_uid":"24092419011704306656"}]}
2024-09-24 19:01:24 >>>故障排除日志:删除未同步下发订单成功24092419011704306656
2024-09-24 19:01:24 >>>故障排除日志:终端同步成功后剩余订单列表


===19:20:52===
2024-09-24 19:20:05 >>>回调事件[910,devices/TL2306]
2024-09-24 19:20:05 >>>故障排除日志:上一MQTT订单号缓存列表为24092419011704306656
2024-09-24 19:20:05 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 19:20:05 开始打印,排队:20,票券:2409241919591464415901,订单:24092419195914639014,[2024-09-24 19:20:05微信支付13元]
2024-09-24 19:20:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241919591464415901","queue_number":20,"trade_uid":"24092419195914639014"}]}
2024-09-24 19:20:07 >>>故障排除日志:删除未同步下发订单成功24092419195914639014
2024-09-24 19:20:07 >>>故障排除日志:终端同步成功后剩余订单列表


===19:29:52===
2024-09-24 19:29:43 >>>回调事件[910,devices/TL2306]
2024-09-24 19:29:43 >>>故障排除日志:上一MQTT订单号缓存列表为24092419195914639014
2024-09-24 19:29:43 >>>故障排除日志:终端未同步成功订单列表
2024-09-24 19:29:43 开始打印,排队:21,票券:2409241929375669080701,订单:24092419293756686476,[2024-09-24 19:29:43微信支付13元]
2024-09-24 19:29:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409241929375669080701","queue_number":21,"trade_uid":"24092419293756686476"}]}
2024-09-24 19:29:45 >>>故障排除日志:删除未同步下发订单成功24092419293756686476
2024-09-24 19:29:45 >>>故障排除日志:终端同步成功后剩余订单列表


===21:03:53===
2024-09-24 21:02:51>>>cash read=00
2024-09-24 21:02:52>>>cash read=29
2024-09-24 21:02:52 >>>回调事件130,cash_status,20029,退钞中
2024-09-24 21:02:52>>>cash read=2F29
2024-09-24 21:02:54>>>cash read=3E
2024-09-24 21:02:55>>>cash read=29
2024-09-24 21:02:55 >>>回调事件130,cash_status,20029,退钞中
2024-09-24 21:02:56>>>cash read=2F29
2024-09-24 21:02:57>>>cash read=00
2024-09-24 21:02:58>>>cash read=818F42
2024-09-24 21:02:58>>>cash write=02
2024-09-24 21:02:58 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-24 21:02:58>>>cash read=10
2024-09-24 21:02:58 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-24 21:02:59>>>cash write=0C
2024-09-24 21:02:59>>>cash read=3E
2024-09-24 21:03:04 >>>开始未足额打印,排队号为22,订单号为2409242102580023061350
2024-09-24 21:03:04 订单投币结束,共投币10元,请取走您的小票
2024-09-24 21:03:04>>>订单2409242102580023061350写入成功,剩余空间为1679500,占用RAM为643.6015625
删除未同步订单2409242102580023061350
2024-09-24 21:03:06>>>订单2409242102580023061350删除成功,剩余空间为1680000,占用RAM为599.4775390625
检测订单目录中>>>
无未同步订单>>>
2024-09-24 21:03:06 >>>当前Ram内存为587.50390625
定时检测未同步订单启用
2024-09-24 21:03:12>>>cash read=29
2024-09-24 21:03:12 >>>回调事件130,cash_status,20029,退钞中
2024-09-24 21:03:12>>>cash read=2F29
2024-09-24 21:03:14>>>cash read=00
2024-09-24 21:03:15>>>cash read=818F42
2024-09-24 21:03:15>>>cash write=02
2024-09-24 21:03:15 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-24 21:03:15>>>cash read=10
2024-09-24 21:03:15 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-24 21:03:15 >>>开始打印,排队号为23,订单号为2409242103150023061738
定时检测未同步订单关闭
2024-09-24 21:03:16>>>订单2409242103150023061738写入成功,剩余空间为1678500,占用RAM为610.1728515625
删除未同步订单2409242103150023061738
2024-09-24 21:03:18>>>订单2409242103150023061738删除成功,剩余空间为1679000,占用RAM为618.1865234375
检测订单目录中>>>
无未同步订单>>>
2024-09-24 21:03:18 >>>当前Ram内存为588.3310546875
定时检测未同步订单启用
2024-09-24 21:03:19>>>cash write=0C
2024-09-24 21:03:19>>>cash read=3E
2024-09-24 21:03:26>>>cash read=00
2024-09-24 21:03:26>>>cash read=818F42
2024-09-24 21:03:26>>>cash write=02
2024-09-24 21:03:26 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-24 21:03:27>>>cash read=10
2024-09-24 21:03:27 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-24 21:03:27 >>>开始打印,排队号为24,订单号为2409242103270023064745
定时检测未同步订单关闭
2024-09-24 21:03:27>>>订单2409242103270023064745写入成功,剩余空间为1677500,占用RAM为615.8974609375
删除未同步订单2409242103270023064745
2024-09-24 21:03:30>>>订单2409242103270023064745删除成功,剩余空间为1678500,占用RAM为621.14453125
检测订单目录中>>>
无未同步订单>>>
2024-09-24 21:03:30 >>>当前Ram内存为589.7333984375
定时检测未同步订单启用
2024-09-24 21:03:31>>>cash write=0C
2024-09-24 21:03:31>>>cash read=3E