(;AP[goproblems]AB[sb]AW[rb]AW[qc]AW[pc]AW[pb]AW[ob]AB[nb]AB[nc]AB[oc]AB[pd]AB[qd]AB[rc]AB[rd]AW[od]AW[oe]AW[of]AW[re]AW[qf](;B[ra];W[qa](;B[oa];W[sa]MA[sa](;B[sc];W[qe];B[ra]MA[ra]C[Ko])(;B[ra]C[NOTTHIS]))(;B[qb]MA[qb]C[Ko])(;B[sc];W[qe];B[oa];W[pe];B[qb]MA[qb]C[Ko]))(;B[qa]C[Correct!];W[ra](;B[oa];W[qb](;B[na];W[pa];B[sc];W[pe];B[sa];W[qe];B[qa]C[RIGHT])(;B[sc];W[pa];B[na];W[qe];B[sa];W[pe];B[qa]C[RIGHT]))(;B[na];W[qb](;B[oa];W[pa];B[sc];W[qe];B[sa];W[pe];B[qa]C[RIGHT])(;B[sc];W[oa];B[sa];W[qe];B[pa]C[RIGHT]))(;B[sc];W[na](;B[ma];W[pa])(;B[pa];W[mb];B[sa];W[mc])))(;B[oa];W[qa](;B[ra];W[sa]MA[sa]C[Ko](;B[sc];W[qe];B[ra]MA[ra]C[Ko])(;B[ra]C[NOTTHIS]))(;B[na];W[pa](;B[sa];W[sc];B[sd];W[se];B[qe];W[rg])(;B[ra]MA[ra]C[Ko])))(;B[pa];W[qa]))