TLClient_JSSCOM_Luat_V3037_RDA8910_RBTTSQRLLSDFT,2.7.1,861714057118477,94846578707125,
poweron reason:3
===00:20:37===
2025-08-17 00:19:51>>>cash read=9E
2025-08-17 00:19:52>>>cash read=3E
===00:34:37===
2025-08-17 00:33:56>>>cash read=0A
2025-08-17 00:33:58>>>cash read=3E
===01:36:37===
2025-08-17 01:35:36>>>cash read=9E
2025-08-17 01:35:37>>>cash read=3E
===02:03:37===
2025-08-17 02:03:09>>>cash read=0A
2025-08-17 02:03:10>>>cash read=3E
===02:09:38===
2025-08-17 02:09:09>>>cash read=9E
2025-08-17 02:09:10>>>cash read=3E
===03:43:38===
2025-08-17 03:42:50>>>cash read=9E
2025-08-17 03:42:51>>>cash read=3E
===04:32:38===
2025-08-17 04:32:03>>>cash read=9E
2025-08-17 04:32:04>>>cash read=3E
===05:17:39===
2025-08-17 05:16:30>>>cash read=9E
2025-08-17 05:16:31>>>cash read=3E
===06:31:39===
2025-08-17 06:30:33>>>cash read=BF
2025-08-17 06:30:34>>>cash read=3E
===08:13:40===
2025-08-17 08:13:11>>>cash read=BF
2025-08-17 08:13:12>>>cash read=3E
===09:11:40===
2025-08-17 09:11:00>>>cash read=9E
2025-08-17 09:11:01>>>cash read=3E
===09:25:40===
2025-08-17 09:24:52 >>>回调事件[910,devices/S1654]
隔日重置时间戳true
隔日清空未同步下发列表true
2025-08-17 09:24:53 >>>故障排除日志:上一MQTT订单号缓存列表为2508162032110019417826
2025-08-17 09:24:53 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 09:24:53 开始打印,排队:1,票券:2508170924540422684801,订单:2508170924540002016185,[2025-08-17 09:25:01微信支付15元]
2025-08-17 09:24:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508170924540422684801","queue_number":1,"trade_uid":"2508170924540002016185"}]}
2025-08-17 09:24:55 >>>故障排除日志:删除未同步下发订单成功2508170924540002016185
2025-08-17 09:24:55 >>>故障排除日志:终端同步成功后剩余订单列表
===09:29:41===
2025-08-17 09:29:25 >>>回调事件[910,devices/S1654]
上一时间戳为1755393892
2025-08-17 09:29:25 >>>故障排除日志:上一MQTT订单号缓存列表为2508170924540002016185
2025-08-17 09:29:25 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 09:29:25 开始打印,排队:2,票券:2508170929259612783401,订单:2508170929250095746383,[2025-08-17 09:29:34支付宝支付15元]
2025-08-17 09:29:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508170929259612783401","queue_number":2,"trade_uid":"2508170929250095746383"}]}
2025-08-17 09:29:27 >>>故障排除日志:删除未同步下发订单成功2508170929250095746383
2025-08-17 09:29:27 >>>故障排除日志:终端同步成功后剩余订单列表
===09:57:41===
2025-08-17 09:56:55 >>>回调事件[910,devices/S1654]
2025-08-17 09:56:55 >>>故障排除日志:上一MQTT订单号缓存列表为2508170929250095746383
2025-08-17 09:56:55 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 09:56:55 开始打印,排队:3,票券:2508170956549327194601,订单:2508170956540092887071,[2025-08-17 09:57:04微信支付15元]
2025-08-17 09:56:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508170956549327194601","queue_number":3,"trade_uid":"2508170956540092887071"}]}
2025-08-17 09:56:57 >>>故障排除日志:删除未同步下发订单成功2508170956540092887071
2025-08-17 09:56:57 >>>故障排除日志:终端同步成功后剩余订单列表
===09:59:41===
2025-08-17 09:58:36>>>cash read=9E
2025-08-17 09:58:37>>>cash read=3E
===10:55:41===
2025-08-17 10:54:51>>>cash read=9E
2025-08-17 10:54:52>>>cash read=3E
===10:59:42===
2025-08-17 10:59:01 >>>回调事件[910,devices/S1654]
2025-08-17 10:59:01 >>>故障排除日志:上一MQTT订单号缓存列表为2508170956540092887071
2025-08-17 10:59:01 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 10:59:01 开始打印,排队:4,票券:2508171059029675401201,订单:2508171059020096284928,[2025-08-17 10:59:10微信支付15元]
2025-08-17 10:59:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171059029675401201","queue_number":4,"trade_uid":"2508171059020096284928"}]}
2025-08-17 10:59:03 >>>故障排除日志:删除未同步下发订单成功2508171059020096284928
2025-08-17 10:59:03 >>>故障排除日志:终端同步成功后剩余订单列表
===11:00:42===
2025-08-17 11:00:28 >>>回调事件[910,devices/S1654]
2025-08-17 11:00:28 >>>故障排除日志:上一MQTT订单号缓存列表为2508171059020096284928
2025-08-17 11:00:28 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 11:00:28 开始打印,排队:5,票券:2508171100342328329201,订单:2508171100340022868572,[2025-08-17 11:00:37支付宝支付15元]
2025-08-17 11:00:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171100342328329201","queue_number":5,"trade_uid":"2508171100340022868572"}]}
2025-08-17 11:00:30 >>>故障排除日志:删除未同步下发订单成功2508171100340022868572
2025-08-17 11:00:30 >>>故障排除日志:终端同步成功后剩余订单列表
===11:27:42===
2025-08-17 11:26:57>>>cash read=0A
2025-08-17 11:26:58>>>cash read=3E
===12:27:42===
2025-08-17 12:26:56>>>cash read=9E
2025-08-17 12:26:57>>>cash read=3E
===12:32:43===
2025-08-17 12:31:33>>>cash read=9E
2025-08-17 12:31:34>>>cash read=3E
===12:53:43===
2025-08-17 12:53:15>>>cash read=9E
2025-08-17 12:53:16>>>cash read=3E
===13:09:43===
2025-08-17 13:09:06>>>cash read=9E
2025-08-17 13:09:07>>>cash read=3E
===13:20:44===
2025-08-17 13:19:44>>>cash read=0A
2025-08-17 13:19:45>>>cash read=3E
===13:33:44===
2025-08-17 13:32:38>>>cash read=9E
2025-08-17 13:32:39>>>cash read=3E
===14:38:44===
2025-08-17 14:37:55>>>cash read=0A
2025-08-17 14:37:56>>>cash read=3E
===15:14:44===
2025-08-17 15:13:39 >>>回调事件[910,devices/S1654]
2025-08-17 15:13:39 >>>故障排除日志:上一MQTT订单号缓存列表为2508171100340022868572
2025-08-17 15:13:39 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 15:13:39 开始打印,排队:6,票券:2508171513421844469301,订单:2508171513420018062062,[2025-08-17 15:13:48微信支付15元]
2025-08-17 15:13:39 开始打印,排队:7,票券:2508171513421844924602,订单:2508171513420018062062,[2025-08-17 15:13:48微信支付15元]
2025-08-17 15:13:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171513421844469301","queue_number":6,"trade_uid":"2508171513420018062062"},{"ticket_no":"2508171513421844924602","queue_number":7,"trade_uid":"2508171513420018062062"}]}
2025-08-17 15:13:43 >>>故障排除日志:删除未同步下发订单成功2508171513420018062062
2025-08-17 15:13:43 >>>故障排除日志:删除未同步下发订单成功2508171513420018062062
2025-08-17 15:13:43 >>>故障排除日志:终端同步成功后剩余订单列表
===15:36:45===
2025-08-17 15:35:52 >>>回调事件[910,devices/S1654]
2025-08-17 15:35:52 >>>故障排除日志:上一MQTT订单号缓存列表为2508171513420018062062|2508171513420018062062
2025-08-17 15:35:52 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 15:35:52 开始打印,排队:8,票券:2508171535561025695301,订单:2508171535560009859189,[2025-08-17 15:36:02微信支付15元]
2025-08-17 15:35:54 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171535561025695301","queue_number":8,"trade_uid":"2508171535560009859189"}]}
2025-08-17 15:35:54 >>>故障排除日志:删除未同步下发订单成功2508171535560009859189
2025-08-17 15:35:54 >>>故障排除日志:终端同步成功后剩余订单列表
===16:07:45===
2025-08-17 16:07:11 >>>回调事件[910,devices/S1654]
2025-08-17 16:07:11 >>>故障排除日志:上一MQTT订单号缓存列表为2508171535560009859189
2025-08-17 16:07:11 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 16:07:11 开始打印,排队:9,票券:2508171607139735621301,订单:2508171607130096707774,[2025-08-17 16:07:20微信支付15元]
2025-08-17 16:07:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171607139735621301","queue_number":9,"trade_uid":"2508171607130096707774"}]}
2025-08-17 16:07:13 >>>故障排除日志:删除未同步下发订单成功2508171607130096707774
2025-08-17 16:07:13 >>>故障排除日志:终端同步成功后剩余订单列表
===16:13:45===
2025-08-17 16:12:45>>>cash read=9E
2025-08-17 16:12:47>>>cash read=3E
===16:25:46===
2025-08-17 16:24:39>>>cash read=9E
2025-08-17 16:24:40>>>cash read=3E
===16:52:46===
2025-08-17 16:51:56 >>>回调事件[910,devices/S1654]
2025-08-17 16:51:56 >>>故障排除日志:上一MQTT订单号缓存列表为2508171607130096707774
2025-08-17 16:51:56 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 16:51:56 开始打印,排队:10,票券:2508171652006547393801,订单:2508171652000065083861,[2025-08-17 16:52:06微信支付15元]
2025-08-17 16:51:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171652006547393801","queue_number":10,"trade_uid":"2508171652000065083861"}]}
2025-08-17 16:51:58 >>>故障排除日志:删除未同步下发订单成功2508171652000065083861
2025-08-17 16:51:58 >>>故障排除日志:终端同步成功后剩余订单列表
===18:35:47===
2025-08-17 18:35:33 >>>回调事件[910,devices/S1654]
2025-08-17 18:35:33 >>>故障排除日志:上一MQTT订单号缓存列表为2508171652000065083861
2025-08-17 18:35:33 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 18:35:33 开始打印,排队:11,票券:2508171835373175309801,订单:2508171835370031338442,[2025-08-17 18:35:43微信支付15元]
===18:37:47===
2025-08-17 18:36:45 >>>回调事件[910,devices/S1654]
2025-08-17 18:36:45 >>>故障排除日志:上一MQTT订单号缓存列表为2508171835370031338442
2025-08-17 18:36:45 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 18:36:45 开始打印,排队:12,票券:2508171836496095314201,订单:2508171836490060555258,[2025-08-17 18:36:54微信支付15元]
2025-08-17 18:36:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171836496095314201","queue_number":12,"trade_uid":"2508171836490060555258"}]}
2025-08-17 18:36:47 >>>故障排除日志:删除未同步下发订单成功2508171836490060555258
2025-08-17 18:36:47 >>>故障排除日志:终端同步成功后剩余订单列表
===18:48:47===
2025-08-17 18:47:47 >>>回调事件[910,devices/S1654]
2025-08-17 18:47:47 >>>故障排除日志:上一MQTT订单号缓存列表为2508171836490060555258
2025-08-17 18:47:47 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 18:47:47 开始打印,排队:13,票券:2508171847504493613101,订单:2508171847500044530373,[2025-08-17 18:47:56微信支付15元]
2025-08-17 18:47:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171847504493613101","queue_number":13,"trade_uid":"2508171847500044530373"}]}
2025-08-17 18:47:49 >>>故障排除日志:删除未同步下发订单成功2508171847500044530373
2025-08-17 18:47:49 >>>故障排除日志:终端同步成功后剩余订单列表
===19:20:47===
2025-08-17 19:20:16 >>>回调事件[910,devices/S1654]
2025-08-17 19:20:16 >>>故障排除日志:上一MQTT订单号缓存列表为2508171847500044530373
2025-08-17 19:20:16 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:20:16 开始打印,排队:14,票券:2508171920203218899701,订单:2508171920200031785642,[2025-08-17 19:20:26微信支付15元]
2025-08-17 19:20:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171920203218899701","queue_number":14,"trade_uid":"2508171920200031785642"}]}
2025-08-17 19:20:19 >>>故障排除日志:删除未同步下发订单成功2508171920200031785642
2025-08-17 19:20:19 >>>故障排除日志:终端同步成功后剩余订单列表
===19:28:48===
2025-08-17 19:27:38 >>>回调事件[910,devices/S1654]
2025-08-17 19:27:38 >>>故障排除日志:上一MQTT订单号缓存列表为2508171920200031785642
2025-08-17 19:27:38 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:27:38 开始打印,排队:15,票券:2508171927382995974601,订单:2508171927380029579115,[2025-08-17 19:27:47微信支付15元]
2025-08-17 19:27:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171927382995974601","queue_number":15,"trade_uid":"2508171927380029579115"}]}
2025-08-17 19:27:40 >>>故障排除日志:删除未同步下发订单成功2508171927380029579115
2025-08-17 19:27:40 >>>故障排除日志:终端同步成功后剩余订单列表
===19:41:48===
2025-08-17 19:41:21 >>>回调事件[910,devices/S1654]
2025-08-17 19:41:22 >>>故障排除日志:上一MQTT订单号缓存列表为2508171927380029579115
2025-08-17 19:41:22 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:41:22 开始打印,排队:16,票券:2508171941227646517501,订单:2508171941220076034824,[2025-08-17 19:41:31微信支付15元]
2025-08-17 19:41:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171941227646517501","queue_number":16,"trade_uid":"2508171941220076034824"}]}
2025-08-17 19:41:24 >>>故障排除日志:删除未同步下发订单成功2508171941220076034824
2025-08-17 19:41:24 >>>故障排除日志:终端同步成功后剩余订单列表
===19:44:48===
2025-08-17 19:44:09 >>>回调事件[910,devices/S1654]
2025-08-17 19:44:09 >>>故障排除日志:上一MQTT订单号缓存列表为2508171941220076034824
2025-08-17 19:44:09 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:44:09 开始打印,排队:17,票券:2508171944134193987501,订单:2508171944130041515146,[2025-08-17 19:44:18支付宝支付15元]
2025-08-17 19:44:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171944134193987501","queue_number":17,"trade_uid":"2508171944130041515146"}]}
2025-08-17 19:44:11 >>>故障排除日志:删除未同步下发订单成功2508171944130041515146
2025-08-17 19:44:11 >>>故障排除日志:终端同步成功后剩余订单列表
===19:57:48===
2025-08-17 19:56:58 >>>回调事件[910,devices/S1654]
2025-08-17 19:56:58 >>>故障排除日志:上一MQTT订单号缓存列表为2508171944130041515146
2025-08-17 19:56:58 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:56:58 开始打印,排队:18,票券:2508171957033455396401,订单:2508171957030034144426,[2025-08-17 19:57:08微信支付15元]
2025-08-17 19:57:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171957033455396401","queue_number":18,"trade_uid":"2508171957030034144426"}]}
2025-08-17 19:57:00 >>>故障排除日志:删除未同步下发订单成功2508171957030034144426
2025-08-17 19:57:00 >>>故障排除日志:终端同步成功后剩余订单列表
===19:58:48===
2025-08-17 19:58:30 >>>回调事件[910,devices/S1654]
2025-08-17 19:58:30 >>>故障排除日志:上一MQTT订单号缓存列表为2508171957030034144426
2025-08-17 19:58:30 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 19:58:30 开始打印,排队:19,票券:2508171958332518813701,订单:2508171958330024789363,[2025-08-17 19:58:40微信支付15元]
2025-08-17 19:58:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508171958332518813701","queue_number":19,"trade_uid":"2508171958330024789363"}]}
2025-08-17 19:58:32 >>>故障排除日志:删除未同步下发订单成功2508171958330024789363
2025-08-17 19:58:32 >>>故障排除日志:终端同步成功后剩余订单列表
===20:30:49===
2025-08-17 20:29:58 >>>回调事件[910,devices/S1654]
2025-08-17 20:29:58 >>>故障排除日志:上一MQTT订单号缓存列表为2508171958330024789363
2025-08-17 20:29:58 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 20:29:58 开始打印,排队:20,票券:2508172030021153382701,订单:2508172030020011028213,[2025-08-17 20:30:08微信支付15元]
2025-08-17 20:30:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508172030021153382701","queue_number":20,"trade_uid":"2508172030020011028213"}]}
2025-08-17 20:30:00 >>>故障排除日志:删除未同步下发订单成功2508172030020011028213
2025-08-17 20:30:00 >>>故障排除日志:终端同步成功后剩余订单列表
===21:01:49===
2025-08-17 21:01:24>>>cash read=1F
2025-08-17 21:01:25>>>cash read=3E
===21:04:49===
2025-08-17 21:04:08 >>>回调事件[910,devices/S1654]
2025-08-17 21:04:08 >>>故障排除日志:上一MQTT订单号缓存列表为2508172030020011028213
2025-08-17 21:04:08 >>>故障排除日志:终端未同步成功订单列表
2025-08-17 21:04:08 开始打印,排队:21,票券:2508172104117450148201,订单:2508172104110074097043,[2025-08-17 21:04:18微信支付15元]
2025-08-17 21:04:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2508172104117450148201","queue_number":21,"trade_uid":"2508172104110074097043"}]}
2025-08-17 21:04:10 >>>故障排除日志:删除未同步下发订单成功2508172104110074097043
2025-08-17 21:04:10 >>>故障排除日志:终端同步成功后剩余订单列表
===21:25:50===
2025-08-17 21:25:28>>>cash read=00
2025-08-17 21:25:29>>>cash read=818F43
2025-08-17 21:25:29>>>cash write=02
2025-08-17 21:25:29 >>>回调事件130,cash_status,10022,进钞中...read money=20
2025-08-17 21:25:30>>>cash read=10
2025-08-17 21:25:30 >>>回调事件130,20,10023,finish Money=20,进钞完成
2025-08-17 21:25:31>>>cash write=0C
2025-08-17 21:25:31>>>cash read=00
2025-08-17 21:25:32>>>cash read=818F42
2025-08-17 21:25:32>>>cash write=02
2025-08-17 21:25:32 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-08-17 21:25:33>>>cash read=10
2025-08-17 21:25:33 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-08-17 21:25:33 当前产品价格15元，投币30元，打印小票中...
2025-08-17 21:25:33 >>>开始打印,排队号为22,订单号为2508172125330021654606
2025-08-17 21:25:33 >>>开始打印,排队号为23,订单号为2508172125330021654606
2025-08-17 21:25:33>>>订单2508172125330021654606写入成功,剩余空间为1281000,占用RAM为752.232421875
删除未同步订单2508172125330021654606
2025-08-17 21:25:37>>>订单2508172125330021654606删除成功,剩余空间为1282000,占用RAM为768.2080078125
检测订单目录中>>>
无未同步订单>>>
2025-08-17 21:25:37 >>>当前Ram内存为728.3486328125
定时检测未同步订单启用
2025-08-17 21:25:38>>>cash write=0C
2025-08-17 21:25:38>>>cash read=3E
===21:26:50===
2025-08-17 21:25:41>>>cash read=00
2025-08-17 21:25:42>>>cash read=818F42
2025-08-17 21:25:42>>>cash write=02
2025-08-17 21:25:42 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-08-17 21:25:43>>>cash read=10
2025-08-17 21:25:43 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-08-17 21:25:44>>>cash write=0C
2025-08-17 21:25:44>>>cash read=3E
2025-08-17 21:25:45>>>cash read=00
2025-08-17 21:25:46>>>cash read=818F43
2025-08-17 21:25:46>>>cash write=02
2025-08-17 21:25:46 >>>回调事件130,cash_status,10022,进钞中...read money=20
2025-08-17 21:25:46>>>cash read=10
2025-08-17 21:25:46 >>>回调事件130,20,10023,finish Money=20,进钞完成
2025-08-17 21:25:46 当前产品价格15元，投币30元，打印小票中...
2025-08-17 21:25:46 >>>开始打印,排队号为24,订单号为2508172125430021654970
2025-08-17 21:25:46 >>>开始打印,排队号为25,订单号为2508172125430021654970
定时检测未同步订单关闭
2025-08-17 21:25:47>>>订单2508172125430021654970写入成功,剩余空间为1281000,占用RAM为749.3125
删除未同步订单2508172125430021654970
2025-08-17 21:25:50>>>订单2508172125430021654970删除成功,剩余空间为1282000,占用RAM为768.4345703125
检测订单目录中>>>
无未同步订单>>>
2025-08-17 21:25:50 >>>当前Ram内存为727.1748046875
定时检测未同步订单启用
2025-08-17 21:25:51>>>cash write=0C
2025-08-17 21:25:51>>>cash read=3E
===21:27:50===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===21:47:50===
2025-08-17 21:47:05>>>cash read=9E
2025-08-17 21:47:06>>>cash read=3E
===22:15:51===
2025-08-17 22:14:50>>>cash read=9E
2025-08-17 22:14:51>>>cash read=3E
===22:21:51===
2025-08-17 22:20:41>>>cash read=0A
2025-08-17 22:20:42>>>cash read=3E
===23:20:51===
2025-08-17 23:20:24>>>cash read=9E
2025-08-17 23:20:25>>>cash read=3E