White cannot play to A, because white stone would not have liberties. Also white cannot play to B, because again white stone would not have liberties. So white cannot start killing at all.
White cannot play to A, because white stone would not have liberties. Also white cannot play to B, because again white stone would not have liberties. So white cannot start killing at all.
Also white cannot play to B, because again white stone would not have liberties.
So white cannot start killing at all.
Also white cannot play to B, because again white stone would not have liberties.
So white cannot start killing at all.