Class uuid
898fb21d-5e81-4c7e-b9ab-76aaaae526d8
Lesson uuid
7dd21519-9fdd-42ac-9f90-979fb8a11f3e
Location uuid
916222ed-ba80-4784-ad5d-2e119e5a261c
Person uuid
6cb5313a-53f2-4e2c-9e8f-e43deed0ecfd