(;AW[sb]AW[rb]AW[qc]AW[pc]AW[ob]AW[nb]AW[nc]AB[rc]AB[rd]AB[qd]AB[pd]AB[oc]AB[oe]AB[ne]AB[md]AB[mc]AB[mb]AB[na]AB[kb]AP[goproblems]
(;B[pa];W[oa]
(;B[qb];W[od]
(;B[ra];W[pb]
(;B[qa];W[sa];B[qa];W[nd];B[qb]C[RIGHT])
(;B[nd];W[qa]))
(;B[nd];W[ra]
(;B[sc];W[ma];B[oc]C[ko])
(;B[oc]C[ko])))
(;B[pb];W[od];B[nd];W[ma];B[oc]C[ko]))
(;B[qa]
(;W[pa];B[qb];W[od]
(;B[ra];W[pb];B[nd]C[RIGHT]))
(;W[qb]C[CHOICE]
(;B[pa];W[oa]
(;B[nd];W[od]C[ko])
(;B[ra];W[od];B[nd];W[oc]C[seki]))
(;B[oa];W[pa]C[ko])))
(;B[pb]
(;W[qb]
(;B[pa];W[qa])
(;B[oa];W[pa])))
(;B[qb];W[pb];B[qa];W[ra])
(;B[oa];W[pa])
(;B[ra];W[qa]
(;B[pa];W[pb])
(;B[oa];W[pa];B[pb];W[qb];B[ma];W[od])))