GokyoShumyoSection4Problem67/Attempts

Failure.  

This tesuji fails because there's no stone at a... ( @ might lead to a ko but the problem description sounds like it's not ko)

Also failure.  

This seems like the only other potential move but I can't find a way to defeat .

First "Failure" diagram, follow-up (Case D)  

LukeNine45: Ah, of course. As usual my problem isn't that I can't read out far enough, just that I didn't...