Xuanxuan Qijing Problem 148 / Attempts

kb: Here goes.

White's destruction  

unkx80: Not so simple, ...

Bill: You should live so long. ;-)

MrTenuki: As Bill's hint suggests, the correct refutation for white is eternal life.

White doesn't die  

Since puts the four black stones in atari, black has no choice but to play at a, which also happens to put into atari. is played at to capture and , and...

Eternal Life  

Black has to destroy the second eye with . White, in turn, sacrifices two stones again, and the cycle continues...

tderz: I was too slow, resp. doing other business in between writing ...

White's destruction  

tderz kb, unkx80 means this here,
leading to 长生 (cháng shēng) this is a special type of problems!

How does it proceed?
Can it be killed?