Tsumego From Games 14 / Solution

White to live  

dnerra: Isn't this sufficient? One eye at a, the other at b or c.

Dieter: This was also my solution.

Failure 1  

It is not completely trivial that White 1 here doesn't work. White 2 sets up 4, 6 and 8 to make the second eye false.

Failure 2  

This variation may be more obvious.

Failure 4  

This becomes ko.