The solution is the diagonal play at .
After and , Black is unable to play at a to put White into a connect-and-die.
permits capturing three stones and live. at is captured by at .
Referenced byBeginnerExercise198
![[Diagram]](diagrams/0/bc5ebcca6a1e3e12a502c5b128fe7537.png)
.
![[Diagram]](diagrams/4/6a61e6feb380c4d9f296cb6c9fd1b5c2.png)
and 
, Black is unable to play at a to put White into a ![[Diagram]](diagrams/28/e099f7fe5d1fcd1ed12396aada493f9a.png)
![[Welcome to Sensei's Library!]](images/stone-hello.png "Sensei's Library")