Imagist's Difficult Problem
Assume the rest of the board is empty.
Imagist: This problem was given to me by an AGA 2 dan (though he practices problems a lot, so he is significantly stronger in that area). I have not completely solved it yet.
KendoKa?: This problem is given in Cho Chikun's advanced tsumego book. I solved this one, black can live.
Phelan: KendoKa, I edited your reply to remove possible spoilers. Usually you shouldn't give away the solution or make attempts to solve the problem on the main problem page. Usually, an attempts and a solution subpages are created for that.