(;AW[ra]AW[rb]AW[qb]AW[pb]AW[pa]AB[na]AB[mb]AB[md]AB[mc]AB[ob]AB[oc]AB[qc]AB[pc]AB[rc]AB[sc]AB[sb]AW[kb]AW[kc]AW[ke]AB[me]AW[lf]AW[mf]AW[nf]AW[pf]AW[nb]AW[nc]AW[nd]AW[od]AW[pd]AW[re]C[White to play.]AP[goproblems]
(;W[oa];B[ma]
(;W[qa];B[sa]
(;W[oa];B[qa]
(;W[rb];B[qb];W[pa];B[pb];W[oa]C[RIGHT])
(;W[pa];B[pb]
(;W[oa];B[rb])
(;W[rb];B[oa]))
(;W[qb];B[rb]))
(;W[qb];B[qa]
(;W[pa];B[rb]C[Ko.])
(;W[rb];B[oa])
(;W[pb];B[rb])
(;W[oa];B[rb]))
(;W[qa];B[qb])
(;W[pa];B[qa]
(;W[qb];B[rb]C[Ko.])
(;W[oa];B[pb]
(;W[oa];B[rb])
(;W[rb];B[oa])))
(;W[ra];B[qb]
(;W[pa];B[oa])
(;W[oa];B[pa]))
(;W[pb];B[qb])
(;W[rb];B[qb]))
(;W[qd];B[sa]
(;W[rd];B[qa])
(;W[sd];B[qa]))
(;W[rd];B[sa]
(;W[qd];B[qa])
(;W[sd];B[qa]))
(;W[sd];B[sa]
(;W[qd];B[qa])
(;W[rd];B[qa])))
(;W[qd];B[oa])
(;W[rd];B[oa])
(;W[sd];B[oa])
(;W[ma];B[oa]))