[Gmsh] Structured mesh only in half of the domain, can you spot the error?

[Deep Bandivadekar]

Hello,

Please take a look at the attached geo file. I couldn't spot an error.
The mesh needs to be fully structured throughout the domain (every surface). As of now it shows unusual meshing in half of the rectangular domain, kind of two different meshes overlapping for no reason.

Can anyone spot any error? Am I missing something?

Thanks
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