Note that the solution MIGHT be a ko IF you cannot live/kill unconditionally.
Information about the problem source can be found
here.
(;AB[ga]AB[gb]AB[hc]AB[gd]AB[id]AB[jd]AB[kd]AB[md]AB[nd]AB[ld]AB[oc]AB[ob]AB[oa]AW[hb]AW[ha]AW[ic]AW[jc]AW[jb]AW[kb]AW[lc]AW[mc]AW[nb]AB[lb]AP[goproblems]
(;B[ja];W[ka];B[ia];W[ib]
(;B[ma];W[na]
(;B[nc]C[RIGHT])
(;B[kc];W[la]))
(;B[na];W[ma]))
(;B[ma];W[ia];B[ka];W[mb];B[na];W[la])
(;B[la];W[ia];B[ka];W[ma])
(;B[mb];W[ia];B[ka];W[ma])
(;B[ia];W[ib];B[ma];W[mb];B[na];W[la]
(;B[kc];W[ja])
(;B[ja];W[kc])))