GokyoSeimyoVolume3Problem22/Attempts

I thought that seemed to be the most obvious try, my idea being the following. On playing it out, I found that I was one liberty away from anything. If we throw in with at either or , there is no way to take the extra liberty at a.

Failure #1  

Another idea. I am not playing at because that seems to be making a ko a possibility.

Catching a tail