Gokyo Shumyo, Section 3, Problem 24 / Attempts

solution?  

xela: feels strange for reasons that I can't explain, but I can't find anything else that works.

variation 1  

xela: Again white can try to make things complicated, but it is still ko.

variation 2  

xela: is a mistake: black can live unconditionally.

Attempt  

unkx80: I would think that this is the main line.