(;AB[sc]AB[rc]AB[qc]AB[pb]AB[ob]AB[nb]AB[na]AB[ma]AW[la]AW[kb]AW[mb]AW[mc]AW[nc]AW[oc]AW[pc]AW[qd]AW[rd]AW[sd]AW[sb]C[Black to live in the best way he can.]AP[goproblems]
(;B[ra]
(;W[qb]
(;B[rb];W[pa]
(;B[qa]C[RIGHT])
(;B[sa];W[oa]))
(;B[qa];W[rb])
(;B[pa];W[rb]))
(;W[rb];B[qb]C[RIGHT])
(;W[qa];B[qb]C[RIGHT])
(;W[pa];B[qa]
(;W[qb];B[rb]C[RIGHT])
(;W[rb];B[qb]C[RIGHT])))
(;B[qb];W[ra]
(;B[qa];W[pa]C[seki])
(;B[pa];W[qa]C[seki])
(;B[rb];W[qa]
(;B[pa];W[oa])
(;B[sa]C[two-step ko])))
(;B[qa];W[ra]
(;B[rb];W[qb])
(;B[pa];W[qb];B[rb];W[qb])
(;B[qb];W[pa]C[seki]))
(;B[rb];W[ra]
(;B[qb];W[qa]
(;B[pa];W[oa])
(;B[sa]C[two-step ko]))
(;B[qa];W[qb])
(;B[pa];W[qb])
(;B[sa]C[two-step ko]))
(;B[pa];W[qb]
(;B[qa];W[rb])
(;B[ra];W[rb])
(;B[rb];W[ra])
(;B[sa];W[rb]))
(;B[sa];W[ra]
(;B[rb];W[qb])
(;B[qa];W[qb];B[rb];W[qb])
(;B[qb];W[qa]
(;B[pa]C[seki])
(;B[rb];W[pa];B[sa]C[ko]))
(;B[pa];W[qb]))
(;B[oa];W[qb]
(;B[qa];W[rb])
(;B[rb];W[ra])))