The author of this problem is Tei Mei Ko, 9 dan pro.
(;AB[ac][ab][bb][cb][eb][fb][gb][gc][ge][gf][ff][eg][dg][cg][bg][af]AW[ad][bc][cc][dc][fc][fd][fe][be][bf][df][ef]SZ[19]
(;PL[B]B[ag];W[ae];B[ce];W[cf];B[de];W[ee];B[cd]C[RIGHT])
(;B[dd];W[de]
(;B[ed];W[ec]C[Seki])
(;PL[B]B[cf];W[ce]C[Seki]))
(;PL[B]B[cf];W[ce]C[White lives])
(;PL[B]B[ce];W[cf]
(;B[ag];W[de])
(;PL[B]B[ec];W[ed]C[White lives])
(;PL[B]B[cd];W[dd]C[Gives seki at best]))
(;PL[B]B[ec];W[ed];B[ag];W[ae]C[Black should avoid playing aji keshi])
(;PL[B]B[cd];W[dd]C[Seki in the best variation])
(;PL[B]B[db];W[cf]C[White is alive])
(;B[de];W[ce];B[dd];W[cd]C[White lives]))