This diagram shows the variation of the door group massacre which we are to aim at. Alas, now it is too late to use the aji at a.
unkx80: I studied this problem before, although I can't say I remember everything. No escape in this case?
Jasonred : I'm not sure, but I THINK move 1 is important. Dunno dor sure. After that, I'm just guessing the rest of the sequence.