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A new version of the application is available. This instance runs 1.1.0 and the last version is 1.2.0. Please consider upgrading.

Authentication required by service JCECC (https://learn.jcecc.hk/cas-auth/login/courses/course-v1:JCECC+CH06+201819/about?next=%2Fcourses%2Fcourse-v1%3AJCECC%2BCH06%2B201819%2Fabout).