unkx80: This problem demonstrates the technique of expanding the eye space for making life.
Solution by lavalyn:
Making an uncuttable eye extension is a good thing.
If at , then at . They are direct responses to the other.
TimK: Black can live outright, too.
7.62: Do they ? W goes to a.
xela: Do you mean at a? Then black replies with at . Or do you mean at the end of the diagram sequence, at a? Then at b. Either way black is alive.
Skylancer (2k): Can't white kill like this if Black just connects at ?