For white to live this move seems forced, using the damezumari to his own ends (2 eyes in reverse sente). However it is Black's move!
zinger: I don't see how helps - black replies at a, capturing two stones, and white still has a dead shape in the corner. I think white is just dead.
emeraldemon: I agree. Should we put something to this effect in the solution page? Seems like an odd problem, but I don't see any tricky way for white to escape.
Warfreak2: It looks like the solution will involve an Under the Stones tesuji, using the two stranded white stones. I can't see a way of getting it to work unfortunately.
Reuven: Lets ignore the corner sequence for a moment (I'll happily digest it later), would it be a ko after ? I really like this idea together with a follow-up at a... (Of course I'm assuming that the board's blank to the right, and it's already quite late at night... So please do correct me! =)