(;AB[sb]AB[rb]AB[rc]AB[qc]AB[pc]AB[oc]AB[ob]AW[qa]AW[nb]AW[na]AW[nc]AW[nd]AW[od]AW[pd]AW[qd]AW[rd]AW[sd]AW[sc]C[Black to Live]AP[goproblems](;B[oa];W[ra](;B[pa];W[qb]C[Seki Lives for BlackRIGHT])(;B[qb];W[pa]C[Seki.RIGHT]))(;B[pa];W[oa];B[qb];W[pb]C[Ko for life.])(;B[ra];W[oa]))