Since nobody came forward to present the solution, I'll present what I think it is. --unkx80
Correct
Correct Var 1
Up to Black 7, because of shortage of liberties, White is unable to play at a.
Correct Var 2
Correct Var 3
Note that Black 3 threatens the cut at a.
Failure
I first thought that this would work, but... -Kuolema
tderz: Looks close to GATEWAY TO ALL MARVELS #5 problem, but is much easier here.
Referenced byOD1PAug6Problem