Class uuid
72af1d22-603b-4fc9-95c2-2994ee6600a2
Lesson uuid
2155c275-c2f1-4b6e-97ad-241a15ade39a
Location uuid
3a83856e-dff9-43e5-bfe9-6c05a7ee56e0
Person uuid
1ce70cdc-0f64-4d22-95a6-bfc9fe0edf12