Rotated planes

Hello, someone knows why when generating planes according to the normals of the surface, in the first two rows the planes are rotated with respect to the other rows? Attached photo and grasshopper file. In such a case, can you think of how to correct this basic problem so that all the planes are always located in the same way? Thanks!

Normal Plane.gh (12.8 KB)

Canvas at 10;50;44|690x269

You could use Surface Frames.

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Thanks!!