TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.1.8,861658060909499,08133449404423,
poweron reason:0

===08:53:19===
上一时间戳为1702516597
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":365,"product_detail":"此票劵当天有效，过期作废。","time_limit_status":"0","begin_minute":null,"product_uid":"4279533360618439715","use_timer":1,"old_price":"0","end_hour":null,"sale_price":"10","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"成人快剪"}]
打印门店标题设置为速洁中海国际公馆店
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:47940****0d03a
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[2.1.8]
定时检测未同步订单启用
2023-12-15 08:52:19>>>cash write=30
2023-12-15 08:52:19>>>cash write=02
2023-12-15 08:52:19>>>cash write=3E
2023-12-15 08:52:19>>>cash read=808F808F808F
系统时间初始化成功，时间为2023121585219
2023-12-15 08:52:20>>>cash write=02
2023-12-15 08:52:20 >>>剩余flash空间=1680000,占用RAM为614.3359375
2023-12-15 08:52:20 >>>回调事件:910,subscribe,10000,连接服务器成功

2023-12-15 08:52:21 >>>剩余flash空间=1680000,占用RAM为585.884765625
2023-12-15 08:52:21 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2023-12-15 08:52:23>>>cash write=0C
2023-12-15 08:52:23>>>cash read=3E
流量卡还有136天过期
2023-12-15 08:52:27 >>>当前Ram内存为631.423828125


===08:54:19===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:56:20===
2023-12-15 09:56:08 >>>回调事件[910,devices/S2497]
当日首次设置时间戳true为1702605368
2023-12-15 09:56:08 >>>故障排除日志:上一MQTT订单号缓存列表为23121416455743563060
2023-12-15 09:56:08 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 09:56:08 开始打印,排队:1,票券:2312150955586031388301,订单:23121509555860304078,[2023-12-15 09:55:58支付宝支付10元]
2023-12-15 09:56:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312150955586031388301","queue_number":1,"trade_uid":"23121509555860304078"}]}
2023-12-15 09:56:11 >>>故障排除日志:删除未同步下发订单成功23121509555860304078
2023-12-15 09:56:11 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 09:56:11 收到下发指令:排队号1>>>
2023-12-15 09:56:11 收到下发指令:叫号1>>>


===10:46:20===
2023-12-15 10:45:25>>>cash read=0A
2023-12-15 10:45:26>>>cash read=3E


===11:07:20===
2023-12-15 11:06:44>>>cash read=00
2023-12-15 11:06:45>>>cash read=818F42
2023-12-15 11:06:45>>>cash write=02
2023-12-15 11:06:45 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-12-15 11:06:45>>>cash read=10
2023-12-15 11:06:45 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-12-15 11:06:45 >>>开始打印,排队号为2,订单号为2312151106450024979563
2023-12-15 11:06:45>>>订单2312151106450024979563写入成功,剩余空间为1680500,占用RAM为590.3701171875
删除未同步订单2312151106450024979563
2023-12-15 11:06:48>>>订单2312151106450024979563删除成功,剩余空间为1680500,占用RAM为607.81640625
检测订单目录中>>>
无未同步订单>>>
2023-12-15 11:06:48 >>>当前Ram内存为574.9375
定时检测未同步订单启用
2023-12-15 11:06:48 收到下发指令:排队号1>>>
2023-12-15 11:06:48>>>cash write=0C
2023-12-15 11:06:49>>>cash read=3E


===11:08:21===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===11:28:21===
2023-12-15 11:27:35 >>>回调事件[910,devices/S2497]
2023-12-15 11:27:35 >>>故障排除日志:上一MQTT订单号缓存列表为23121509555860304078
2023-12-15 11:27:35 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 11:27:35 开始打印,排队:3,票券:2312151127290178146701,订单:23121511272901769652,[2023-12-15 11:27:29微信支付10元]
2023-12-15 11:27:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151127290178146701","queue_number":3,"trade_uid":"23121511272901769652"}]}
2023-12-15 11:27:37 >>>故障排除日志:删除未同步下发订单成功23121511272901769652
2023-12-15 11:27:37 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 11:27:37 收到下发指令:排队号1>>>


===12:10:21===
2023-12-15 12:09:33 >>>回调事件[910,devices/S2497]
2023-12-15 12:09:33 >>>故障排除日志:上一MQTT订单号缓存列表为23121511272901769652
2023-12-15 12:09:33 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 12:09:33 开始打印,排队:4,票券:2312151209214798895901,订单:23121512092147980037,[2023-12-15 12:09:21支付宝支付10元]
2023-12-15 12:09:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151209214798895901","queue_number":4,"trade_uid":"23121512092147980037"}]}
2023-12-15 12:09:35 >>>故障排除日志:删除未同步下发订单成功23121512092147980037
2023-12-15 12:09:35 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 12:09:35 收到下发指令:排队号1>>>


===12:52:22===
2023-12-15 12:51:59 >>>回调事件[910,devices/S2497]
2023-12-15 12:51:59 >>>故障排除日志:上一MQTT订单号缓存列表为23121512092147980037
2023-12-15 12:51:59 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 12:51:59 开始打印,排队:5,票券:2312151251486371652901,订单:23121512514863708245,[2023-12-15 12:51:48支付宝支付10元]
2023-12-15 12:52:01 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151251486371652901","queue_number":5,"trade_uid":"23121512514863708245"}]}
2023-12-15 12:52:01 >>>故障排除日志:删除未同步下发订单成功23121512514863708245
2023-12-15 12:52:01 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 12:52:01 收到下发指令:排队号1>>>


===13:05:22===
2023-12-15 13:04:29 >>>回调事件[910,devices/S2497]
2023-12-15 13:04:29 >>>故障排除日志:上一MQTT订单号缓存列表为23121512514863708245
2023-12-15 13:04:29 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 13:04:29 开始打印,排队:6,票券:2312151304204874984901,订单:23121513042048740845,[2023-12-15 13:04:20微信支付10元]
2023-12-15 13:04:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151304204874984901","queue_number":6,"trade_uid":"23121513042048740845"}]}
2023-12-15 13:04:32 >>>故障排除日志:删除未同步下发订单成功23121513042048740845
2023-12-15 13:04:32 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 13:04:32 收到下发指令:排队号1>>>


===13:43:22===
2023-12-15 13:42:49 >>>回调事件[910,devices/S2497]
2023-12-15 13:42:49 >>>故障排除日志:上一MQTT订单号缓存列表为23121513042048740845
2023-12-15 13:42:49 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 13:42:49 开始打印,排队:7,票券:2312151342416169651601,订单:23121513424161686308,[2023-12-15 13:42:41微信支付10元]
2023-12-15 13:42:51 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151342416169651601","queue_number":7,"trade_uid":"23121513424161686308"}]}
2023-12-15 13:42:51 >>>故障排除日志:删除未同步下发订单成功23121513424161686308
2023-12-15 13:42:51 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 13:42:51 收到下发指令:排队号1>>>


===14:00:23===
2023-12-15 13:59:44 >>>回调事件[910,devices/S2497]
2023-12-15 13:59:44 >>>故障排除日志:上一MQTT订单号缓存列表为23121513424161686308
2023-12-15 13:59:44 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 13:59:44 开始打印,排队:8,票券:2312151359323769745301,订单:23121513593237685828,[2023-12-15 13:59:32支付宝支付10元]
2023-12-15 13:59:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151359323769745301","queue_number":8,"trade_uid":"23121513593237685828"}]}
2023-12-15 13:59:46 >>>故障排除日志:删除未同步下发订单成功23121513593237685828
2023-12-15 13:59:46 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 13:59:46 收到下发指令:排队号1>>>


===14:12:23===
2023-12-15 14:11:56>>>cash read=0A
2023-12-15 14:11:57>>>cash read=3E


===14:20:23===
2023-12-15 14:19:56>>>cash read=00
2023-12-15 14:19:57>>>cash read=2F29
2023-12-15 14:19:59>>>cash read=3E
2023-12-15 14:20:03>>>cash read=00
2023-12-15 14:20:03>>>cash read=818F42
2023-12-15 14:20:03>>>cash write=02
2023-12-15 14:20:03 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-12-15 14:20:04>>>cash read=10
2023-12-15 14:20:04 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-12-15 14:20:04 >>>开始打印,排队号为9,订单号为2312151420040024978377
2023-12-15 14:20:04>>>订单2312151420040024978377写入成功,剩余空间为1679500,占用RAM为592.7470703125
删除未同步订单2312151420040024978377
2023-12-15 14:20:06>>>订单2312151420040024978377删除成功,剩余空间为1680500,占用RAM为605.4560546875
检测订单目录中>>>
无未同步订单>>>
2023-12-15 14:20:06 >>>当前Ram内存为575.427734375
定时检测未同步订单启用
2023-12-15 14:20:07 收到下发指令:排队号1>>>
2023-12-15 14:20:07>>>cash write=0C
2023-12-15 14:20:07>>>cash read=3E


===14:21:23===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===15:01:24===
2023-12-15 15:01:01 >>>回调事件[910,devices/S2497]
2023-12-15 15:01:01 >>>故障排除日志:上一MQTT订单号缓存列表为23121513593237685828
2023-12-15 15:01:01 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 15:01:01 开始打印,排队:10,票券:2312151500521861613201,订单:23121515005218604827,[2023-12-15 15:00:52微信支付10元]
2023-12-15 15:01:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151500521861613201","queue_number":10,"trade_uid":"23121515005218604827"}]}
2023-12-15 15:01:03 >>>故障排除日志:删除未同步下发订单成功23121515005218604827
2023-12-15 15:01:03 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 15:01:03 收到下发指令:排队号1>>>


===15:25:24===
2023-12-15 15:24:24>>>cash read=00
2023-12-15 15:24:25>>>cash read=818F42
2023-12-15 15:24:25>>>cash write=02
2023-12-15 15:24:25 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-12-15 15:24:26>>>cash read=10
2023-12-15 15:24:26 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-12-15 15:24:26 >>>开始打印,排队号为11,订单号为2312151524260024975371
2023-12-15 15:24:26>>>订单2312151524260024975371写入成功,剩余空间为1680500,占用RAM为592.125
删除未同步订单2312151524260024975371
2023-12-15 15:24:28>>>订单2312151524260024975371删除成功,剩余空间为1680500,占用RAM为606.4140625
检测订单目录中>>>
无未同步订单>>>
2023-12-15 15:24:28 >>>当前Ram内存为575.23046875
定时检测未同步订单启用
2023-12-15 15:24:28 收到下发指令:排队号1>>>
2023-12-15 15:24:29>>>cash write=0C
2023-12-15 15:24:29>>>cash read=3E


===15:26:24===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===15:27:25===
2023-12-15 15:26:36 >>>回调事件[910,devices/S2497]
2023-12-15 15:26:36 >>>故障排除日志:上一MQTT订单号缓存列表为23121515005218604827
2023-12-15 15:26:36 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 15:26:36 开始打印,排队:12,票券:2312151526322383195901,订单:23121515263223823350,[2023-12-15 15:26:32微信支付10元]
2023-12-15 15:26:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151526322383195901","queue_number":12,"trade_uid":"23121515263223823350"}]}
2023-12-15 15:26:39 >>>故障排除日志:删除未同步下发订单成功23121515263223823350
2023-12-15 15:26:39 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 15:26:39 收到下发指令:排队号1>>>


===15:43:25===
2023-12-15 15:43:01 >>>回调事件[910,devices/S2497]
2023-12-15 15:43:01 >>>故障排除日志:上一MQTT订单号缓存列表为23121515263223823350
2023-12-15 15:43:01 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 15:43:01 开始打印,排队:13,票券:2312151542544212740601,订单:23121515425442116414,[2023-12-15 15:42:54微信支付10元]
2023-12-15 15:43:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151542544212740601","queue_number":13,"trade_uid":"23121515425442116414"}]}
2023-12-15 15:43:03 >>>故障排除日志:删除未同步下发订单成功23121515425442116414
2023-12-15 15:43:03 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 15:43:03 收到下发指令:排队号1>>>


===16:07:25===
2023-12-15 16:07:15 >>>回调事件[910,devices/S2497]
2023-12-15 16:07:15 >>>故障排除日志:上一MQTT订单号缓存列表为23121515425442116414
2023-12-15 16:07:15 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 16:07:15 开始打印,排队:14,票券:2312151607064095698201,订单:23121516070640942745,[2023-12-15 16:07:06微信支付10元]
2023-12-15 16:07:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151607064095698201","queue_number":14,"trade_uid":"23121516070640942745"}]}
2023-12-15 16:07:17 >>>故障排除日志:删除未同步下发订单成功23121516070640942745
2023-12-15 16:07:17 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 16:07:17 收到下发指令:排队号1>>>


===16:19:26===
2023-12-15 16:18:36>>>cash read=00
2023-12-15 16:18:37>>>cash read=818F42
2023-12-15 16:18:37>>>cash write=02
2023-12-15 16:18:37 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-12-15 16:18:37>>>cash read=10
2023-12-15 16:18:37 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-12-15 16:18:37 >>>开始打印,排队号为15,订单号为2312151618370024975416
2023-12-15 16:18:38>>>订单2312151618370024975416写入成功,剩余空间为1680500,占用RAM为592.10546875
删除未同步订单2312151618370024975416
2023-12-15 16:18:40>>>订单2312151618370024975416删除成功,剩余空间为1680500,占用RAM为604.939453125
检测订单目录中>>>
无未同步订单>>>
2023-12-15 16:18:40 >>>当前Ram内存为575.1240234375
定时检测未同步订单启用
2023-12-15 16:18:40 收到下发指令:排队号1>>>
2023-12-15 16:18:41>>>cash write=0C
2023-12-15 16:18:41>>>cash read=3E


===16:20:26===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===16:24:26===
2023-12-15 16:23:47 >>>回调事件[910,devices/S2497]
2023-12-15 16:23:47 >>>故障排除日志:上一MQTT订单号缓存列表为23121516070640942745
2023-12-15 16:23:47 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 16:23:47 开始打印,排队:16,票券:2312151623416975798201,订单:23121516234169362580,[2023-12-15 16:23:41微信支付10元]
2023-12-15 16:23:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151623416975798201","queue_number":16,"trade_uid":"23121516234169362580"}]}
2023-12-15 16:23:49 >>>故障排除日志:删除未同步下发订单成功23121516234169362580
2023-12-15 16:23:49 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 16:23:49 收到下发指令:排队号1>>>


===16:36:26===
2023-12-15 16:36:13 >>>回调事件[910,devices/S2497]
2023-12-15 16:36:14 >>>故障排除日志:上一MQTT订单号缓存列表为23121516234169362580
2023-12-15 16:36:14 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 16:36:14 开始打印,排队:17,票券:2312151636073945727201,订单:23121516360739448661,[2023-12-15 16:36:07微信支付10元]
2023-12-15 16:36:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151636073945727201","queue_number":17,"trade_uid":"23121516360739448661"}]}
2023-12-15 16:36:16 >>>故障排除日志:删除未同步下发订单成功23121516360739448661
2023-12-15 16:36:16 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 16:36:16 收到下发指令:排队号1>>>


===16:58:27===
2023-12-15 16:58:07 >>>回调事件[910,devices/S2497]
2023-12-15 16:58:07 >>>故障排除日志:上一MQTT订单号缓存列表为23121516360739448661
2023-12-15 16:58:07 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 16:58:07 开始打印,排队:18,票券:2312151657599285487101,订单:23121516575992845886,[2023-12-15 16:57:59微信支付10元]
2023-12-15 16:58:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151657599285487101","queue_number":18,"trade_uid":"23121516575992845886"}]}
2023-12-15 16:58:09 >>>故障排除日志:删除未同步下发订单成功23121516575992845886
2023-12-15 16:58:10 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 16:58:10 收到下发指令:排队号1>>>


===17:00:27===
2023-12-15 16:59:38 >>>回调事件[910,devices/S2497]
2023-12-15 16:59:38 >>>故障排除日志:上一MQTT订单号缓存列表为23121516575992845886
2023-12-15 16:59:38 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 16:59:38 开始打印,排队:19,票券:2312151659283973486201,订单:23121516592839729017,[2023-12-15 16:59:28微信支付10元]
2023-12-15 16:59:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151659283973486201","queue_number":19,"trade_uid":"23121516592839729017"}]}
2023-12-15 16:59:40 >>>故障排除日志:删除未同步下发订单成功23121516592839729017
2023-12-15 16:59:40 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 16:59:40 收到下发指令:排队号1>>>


===17:20:27===
2023-12-15 17:19:31 >>>回调事件[910,devices/S2497]
2023-12-15 17:19:31 >>>故障排除日志:上一MQTT订单号缓存列表为23121516592839729017
2023-12-15 17:19:31 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 17:19:31 开始打印,排队:20,票券:2312151719222266779601,订单:23121517192222660468,[2023-12-15 17:19:22微信支付10元]
2023-12-15 17:19:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151719222266779601","queue_number":20,"trade_uid":"23121517192222660468"}]}
2023-12-15 17:19:33 >>>故障排除日志:删除未同步下发订单成功23121517192222660468
2023-12-15 17:19:34 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 17:19:34 收到下发指令:排队号1>>>


===18:31:28===
2023-12-15 18:31:16>>>cash read=0A
2023-12-15 18:31:17>>>cash read=3E


===18:50:28===
2023-12-15 18:49:54>>>cash read=00
2023-12-15 18:49:55>>>cash read=818F42
2023-12-15 18:49:55>>>cash write=02
2023-12-15 18:49:55 >>>回调事件130,cash_status,10022,进钞中...read money=10
2023-12-15 18:49:55>>>cash read=10
2023-12-15 18:49:55 >>>回调事件130,10,10023,finish Money=10,进钞完成
2023-12-15 18:49:56 >>>开始打印,排队号为21,订单号为2312151849560024977822
2023-12-15 18:49:56>>>订单2312151849560024977822写入成功,剩余空间为1680500,占用RAM为592.4052734375
删除未同步订单2312151849560024977822
2023-12-15 18:49:58>>>订单2312151849560024977822删除成功,剩余空间为1680500,占用RAM为605.2978515625
检测订单目录中>>>
无未同步订单>>>
2023-12-15 18:49:58 >>>当前Ram内存为575.3916015625
定时检测未同步订单启用
2023-12-15 18:49:58 收到下发指令:排队号1>>>
2023-12-15 18:49:59>>>cash write=0C
2023-12-15 18:49:59>>>cash read=3E


===18:51:28===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===19:17:29===
2023-12-15 19:17:19 >>>回调事件[910,devices/S2497]
2023-12-15 19:17:19 >>>故障排除日志:上一MQTT订单号缓存列表为23121517192222660468
2023-12-15 19:17:19 >>>故障排除日志:终端未同步成功订单列表
2023-12-15 19:17:19 开始打印,排队:22,票券:2312151917106241631501,订单:23121519171062408023,[2023-12-15 19:17:10微信支付10元]
2023-12-15 19:17:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2312151917106241631501","queue_number":22,"trade_uid":"23121519171062408023"}]}
2023-12-15 19:17:22 >>>故障排除日志:删除未同步下发订单成功23121519171062408023
2023-12-15 19:17:22 >>>故障排除日志:终端同步成功后剩余订单列表
2023-12-15 19:17:22 收到下发指令:排队号1>>>


===19:36:29===
2023-12-15 19:36:06>>>cash read=0A
2023-12-15 19:36:07>>>cash read=3E