Note that the solution MIGHT be a ko IF you cannot live/kill unconditionally.
Information about the problem source can be found
here.
(;AB[bc]AB[cd]AB[de]AB[dc]AW[bd]AW[ad]AW[ce]AW[cf]AW[cg]AW[ch]AW[ci]AW[bi]AB[bh]AB[bj]AB[cj]AB[bk]AB[dj]AW[di]AB[ei]AB[eh]AB[dg]AB[df]AP[goproblems]
(;B[ai];W[ah]
(;B[af];W[bg];B[be];W[bf];B[ac]C[RIGHT])
(;B[ag];W[af];B[bf];W[be];B[ae];W[bg]))
(;B[af]
(;W[bf]
(;B[ai]
(;W[ae]
(;B[ah];W[ag])
(;B[ag];W[bg]))
(;W[ag];B[ae];W[bg]))
(;B[ag]
(;W[ai];B[be];W[ae];B[ac];W[be])
(;W[bg])))
(;W[ag]
(;B[bg];W[bf];B[ah];W[ai])
(;B[ai];W[ae];B[bf];W[bg]))))