Mesh surface with wrong direction

Grasshopper
1

Hi
This mesh is convert from surface and the several of them has wrong direction. How should fix them?

Thank you.

**image **

mesh.gh (20.9 KB)

2

Check red group.

Canvas at 16;18;18
Canvas at 16;18;181624×615 177 KB

mesh_reV1.gh (28.7 KB)

3

Hi Kim

Thanks a lot!!
In addition, it is working only add explode component before merge as well.