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