040000 tree c55cf9b56a59c8a2696836f51eead46c67f20455	Fixed Time Window
100644 blob 9f65c8adcd8a3db81c55ed24b34589c3afdf3064	lesson-info.yaml
100644 blob 5f2de3bc2ea9732d6c65e98cc79f81686b12f08f	lesson-remote-info.yaml