Attractor curves on surface help (orienting curves)

Hello, Im still learning grasshopper and started with attractors How do I orient the curves so that they are perpendicular on point on the surface? I tried using the “evaluate surface” component but it yielded some strange results. Any help would be appreciated. Thanks!

Attractor points on Surface_2.3dm (157.4 KB) Attractor points on Surface_2.gh (13.9 KB)

Attractor points on Surface_re.gh (33.4 KB)

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Thanks for your help on this!