- Memory usage for saving data shall be below 2000 bytes
- Memory usage for saving data (with pre-loading disabled) shall be below 125000 bytes
- Shall create persistent storage
- Shall add items to storage without removing existing values
- Shall update objects in storage without removing other objects
- Shall update items in storage without removing other values
- Shall remove objects from storage without removing other objects
- Shall remove items from storage without removing other values
- Source code total size shall be below 4000 bytes