Twisting loft

Hello! I am a trouble with the loft and interpolate command. The loft is twisted and the end points of interpolate connect with the other side. Could you please help me?

The back side is working but the this side is not.

curve.gh (16.3 KB)
curve.3dm (3.9 MB)

Hello,
How about Flip Curve?

curve_Re.gh (12.2 KB)

Fantastic. Thank you for your time and I appreciate you.

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