040000 tree 309bdfd1a9cdd133ef8b8913e49dfbf8b3785154	Window Accumulation Mode
100644 blob 8a260af023db2a9b421a1998c42d026e28a62167	lesson-info.yaml
100644 blob 000dc25b6143475f868079888b5b9eb1d5810085	lesson-remote-info.yaml