(;AW[sb]AW[rc]AW[qc]AW[pd]AW[qe]AW[od]AW[nd]AW[md]AW[ld]AW[jd]AW[kb]AW[lb]AB[mc]AB[mb]AB[ma]AB[na]AB[nc]AB[oc]AB[pc]AB[pb]AB[qb]AB[rb]AB[ra]AW[ob]AW[oa]AW[pa]C[White can't kill Black but has the best result.]AP[goproblems]
(;W[ka];B[lc];W[kc])
(;W[la];B[lc];W[kc]C[RIGHT])
(;W[kc];B[la];W[ka])
(;W[lc];B[la];W[ka]C[RIGHT]))