Hi all,
I have strange issue with extrusion that I cannot understand.
I try to extrude 2 faces of the solid and it will extrude only one and not the second (even if I try separately).
I spend like 30 minutes already trying to figure what might be wrong for this I think very simple operation.

Attached is the gif and model if anyone is able to explain I would appreciate.

Thanks.
Juraj