(;AB[rc]AB[qc]AB[sb]AB[mb]AB[mc]AB[nc]AW[nb]AW[oc]AW[nd]AB[md]AW[ne]AW[sc]AW[sd]AW[rd]AW[qd]AW[pd]C[Black to play.]AP[goproblems]
(;B[pb]
(;W[ob]
(;B[ra]C[RIGHT])
(;B[qa];W[rb]
(;B[ra];W[sa])
(;B[qb];W[sa]))
(;B[qb];W[ra])
(;B[rb];W[qa]
(;B[pa];W[ra])
(;B[ra];W[pa]))
(;B[pc];W[ra]
(;B[qa];W[rb])
(;B[rb];W[qa];B[pa];W[na])
(;B[pa];W[na])))
(;W[rb];B[ob]C[RIGHT]))
(;B[ra];W[qb]
(;B[pb];W[pc]
(;B[rb];W[pa];B[qa];W[oa])
(;B[ob];W[rb]))
(;B[ob];W[pb])
(;B[rb];W[pb])
(;B[pc];W[pb]))
(;B[qb];W[ra]
(;B[ob];W[pb]
(;B[na];W[pc]
(;B[pa];W[qa])
(;B[qa];W[pa]))
(;B[oa];W[pa]
(;B[na];W[pc])
(;B[pc];W[na]))
(;B[pc];W[oa])
(;B[pa];W[oa])
(;B[qa];W[oa]))
(;B[pb];W[ob])
(;B[na];W[ob])
(;B[pa];W[ob])
(;B[pc];W[ob])
(;B[oa];W[ob])
(;B[qa];W[ob]))
(;B[ob];W[pb]
(;B[na];W[qb])
(;B[oa];W[pa]
(;B[na];W[pc])
(;B[pc];W[na]))
(;B[pc];W[oa])
(;B[qb];W[ra]
(;B[na];W[pc]
(;B[pa];W[qa])
(;B[qa];W[pa]))
(;B[oa];W[pa]
(;B[na];W[pc])
(;B[pc];W[na])
(;B[qa];W[na]))
(;B[pc];W[oa])
(;B[pa];W[oa])
(;B[qa];W[oa]))
(;B[ra];W[qb]))
(;B[rb];W[pb])
(;B[pc];W[pb]))