(;AB[ob]AW[pb]AW[qc]AW[rc]AW[pd]AW[od]AB[pc]AB[oc]AB[nc]AB[rd]AB[qd]AB[qe]AB[se]AW[of]AW[pf]AW[qg]AW[rf]AW[re]AP[goproblems]
(;B[rb]
(;W[qb];B[sc];W[ra];B[sb]C[Correct!RIGHT])
(;W[sc];B[qb]C[RIGHT];W[sf];B[sb]C[RIGHT];W[sd];B[se]C[RIGHT]))
(;B[qb];W[rb]
(;B[pa];W[qf])
(;B[qa];W[ra];B[pa];W[qf]))
(;B[sc];W[sb]
(;B[rb];W[sd]C[Ko];B[qb];W[sf];B[sc];W[rc])
(;B[sd];W[qb]
(;B[pa];W[ra])
(;B[qa];W[ra])
(;B[sa];W[ra])
(;B[ra];W[sf]
(;B[pa];W[qf])
(;B[qa];W[qf])
(;B[sa];W[qf];B[rb];W[pe];B[sb];W[qa])
(;B[rb];W[qf];B[sa];W[pe];B[sb];W[qa])))))