White has one eye in the right half. is the point to falsify the left eye. White doesn't have to resist with
, but nothing else works for her either.
at
fails because Black can capture at a. Now b and c are miai for the kill.
Notice how the 's cause the circled point to become a false eye.
This is a classic example of the eye stealing tesuji.
here is met by
, securing the left eye - just be careful,
at a is a blunder. Other tries all fail:
at b or
are immediately captured.