What happens if there are integrated stones on the lawn?

Robomow can mow over flat-paved stones that are more or less the same height as the lawn grass; however, Robomow will not be able to drive over stones that are at levels much higher than the grass.

Robomow can work in cases such as the ones illustrated below:

Good Narrow Pass between Zones

But not in cases such as the ones illustrated below:

Bad Narrow Pass between Zones