(;AW[rc]AW[qc]AW[pc]AW[oc]AW[ob]AB[nb]AB[nc]AB[od]AB[pd]AB[qd]AB[rd]AB[nd]AB[lb]AB[rf]AB[rb]AW[sc]LB[rb:1]LB[sc:2]C[White defended incorrectly. Punish him.]AP[goproblems]
(;B[qb];W[ra]
(;B[sb];W[pa]
(;B[na];W[oa]
(;B[qa]C[RIGHT])
(;B[sd];W[qa]))
(;B[qa];W[pb])
(;B[sd];W[qa];B[na];W[oa]))
(;B[qa];W[sb])
(;B[pa];W[sb];B[oa];W[pb]))
(;B[sb];W[qb];B[pa];W[oa])
(;B[ra];W[qb];B[pa];W[oa])
(;B[qa];W[qb]
(;B[pa];W[oa])
(;B[oa];W[ra];B[sa];W[sb]))
(;B[pa];W[oa]
(;B[qb];W[ra];B[sb];W[pb]
(;B[sd];W[qa];B[na];W[sa])
(;B[na];W[qa];B[sd];W[sa]))
(;B[sb];W[qb])
(;B[qa];W[sb]
(;B[na];W[qb])
(;B[sd];W[qb])
(;B[qb];W[ra];B[sa];W[pb])
(;B[ra];W[qb])))
(;B[oa];W[pa]
(;B[qb];W[ra]
(;B[qa];W[sb])
(;B[na];W[sb])
(;B[sb];W[na];B[ma];W[qa]))
(;B[qa];W[qb])))