(;AB[sd]AB[rd]AB[qe]AB[qf]AB[qg]AB[rg]AB[pe]AB[od]AB[nd]AB[nc]AB[nb]AW[pa]AW[pb]AW[oc]AW[pd]AW[qd]AW[rf]AW[re]AW[rc]AP[goproblems];B[qc];W[pc]
(;B[sb];W[rb]
(;B[sc];W[ra]C[];B[qb]C[RIGHT])
(;B[ra];W[qa];B[sf];W[sa]))
(;B[rb];W[sb];B[sc];W[ra];B[sa];W[qb]))