(;AB[rb]AB[qc]AB[pc]AB[ob]AB[pa]AW[nb]AW[nc]AW[oc]AW[pd]AW[qd]AW[rd]AP[goproblems]
(;W[rc];B[sb]
(;W[na];B[pb]
(;W[qa];B[ra])
(;W[ra];B[qa];W[oa];B[sa]))
(;W[qb];B[pb]
(;W[qa];B[ra])
(;W[ra];B[qa]))
(;W[pb];B[qb]
(;W[na];B[oa])
(;W[qa];B[oa];W[na];B[ra]))
(;W[qa];B[qb];W[na];B[ra];W[oa];B[pb])
(;W[ra];B[qb];W[na];B[oa]))
(;W[sb];B[qb]
(;W[ra];B[sc]
(;W[rc];B[sa]C[ko])
(;W[sd];B[rc])
(;W[na];B[rc]
(;W[oa];B[qa])
(;W[sa];B[oa])))
(;W[rc];B[ra])
(;W[sc];B[ra])
(;W[na];B[oa]
(;W[ra];B[sc];W[rc];B[sa]C[ko])
(;W[sc];B[ra])
(;W[rc];B[ra])))
(;W[sc];B[sb]
(;W[ra];B[qb])
(;W[qb];B[pb])
(;W[pb];B[qb])
(;W[qa];B[qb])
(;W[na];B[pb]))
(;W[qb];B[rc]
(;W[pb];B[qa])
(;W[sc];B[sb]
(;W[ra];B[qa])
(;W[qa];B[ra])
(;W[na];B[pb])
(;W[pb];B[qa]))
(;W[sb];B[sc]
(;W[ra];B[qa])
(;W[qa];B[ra])
(;W[na];B[qa]))
(;W[qa];B[ra]
(;W[sc];B[sb])
(;W[sb];B[sc]))
(;W[ra];B[qa]))
(;W[pb];B[qb])
(;W[na]
(;B[qb];W[oa]
(;B[ra];W[sb]C[RIGHT]
(;B[sc];W[rc]C[RIGHT])
(;B[rc];W[sc]C[RIGHT]))
(;B[sb];W[ra]C[RIGHT]))
(;B[pb];W[sb]
(;B[sc];W[rc]
(;B[qa];W[sa]C[RIGHT])
(;B[sa];W[qa]C[RIGHT]))
(;B[rc];W[sc]C[RIGHT]))
(;B[qa];W[rc]
(;B[pb];W[sb]C[RIGHT])
(;B[sb];W[pb]
(;B[oa];W[qb]C[RIGHT])
(;B[qb];W[oa]C[RIGHT])))
(;B[ra];W[sb]
(;B[rc];W[sc]
(;B[qb];W[oa]C[RIGHT])
(;B[oa];W[qb]C[RIGHT]))
(;B[sc];W[rc]
(;B[qb];W[oa]C[RIGHT])
(;B[oa];W[qb]C[RIGHT]))
(;B[qb];W[oa]
(;B[sc];W[rc]C[RIGHT])
(;B[rc];W[sc]C[RIGHT]))
(;B[oa];W[qb]
(;B[rc];W[sc]C[RIGHT])
(;B[sc];W[rc]C[RIGHT])))
(;B[sb];W[ra]
(;B[qa];W[pb]C[RIGHT])
(;B[pb];W[qa]C[RIGHT])
(;B[qb];W[oa]C[RIGHT])
(;B[oa];W[qa]C[RIGHT]))
(;B[rc]C[CHOICE]
(;W[sc]
(;B[sb]
(;W[ra];B[qa]
(;W[pb]C[RIGHT])
(;W[qb];B[pb])
(;W[oa];B[pb]))
(;W[qa];B[ra])
(;W[pb];B[qb];W[oa];B[ra];W[pb]C[ko])
(;W[qb];B[qa])
(;W[oa];B[pb]))
(;B[ra];W[sb]C[RIGHT]
(;B[qb];W[oa]C[RIGHT])
(;B[oa];W[qb]C[RIGHT]))
(;B[qb];W[sb]C[RIGHT])
(;B[qa];W[sb]C[RIGHT]))
(;W[sb];B[sc])
(;W[pb];B[qb]
(;W[sc];B[oa])
(;W[sb];B[oa])
(;W[ra];B[oa])
(;W[oa];B[ra];W[pb]C[ko]))
(;W[ra];B[qa]
(;W[sc];B[sa])
(;W[pb];B[sa]
(;W[sc];B[oa])
(;W[oa];B[sc]))
(;W[oa];B[pb];W[sb];B[sc]))
(;W[qa];B[ra])
(;W[oa];B[pb];W[ra];B[qa];W[sb];B[sc])))
(;W[ra];B[qa]
(;W[na];B[sa])
(;W[rc];B[sb]
(;W[na];B[pb];W[oa];B[sa])
(;W[pb];B[qb]))
(;W[sb];B[sc];W[rc];B[sa]))
(;W[qa];B[ra]))