(;AW[lb]AW[mb]AW[ob]AW[pb]AW[mc]AW[nc]AW[qc]AW[kd]AW[ld]AW[qe]AW[re]AW[lf]AW[nf]AW[of]AW[qg]AB[nb]AB[lc]AB[oc]AB[pc]AB[md]AB[nd]AB[pd]AB[qd]AB[rd]AB[oe]AB[pe]
(;B[qb];W[rb]
(;B[qa];W[rc]
(;B[ra];W[sb]
(;B[sd];W[ne]
(;B[sc]C[RIGHT])
(;B[pa];W[na]TR[lc]C[This exchange is bad for black since it erases most of the aji of the marked black stone.];B[sc]C[RIGHT])
(;B[na];W[ma]
(;B[sc]C[RIGHT])
(;B[pa];W[oa];B[sc];W[sa])))
(;B[pa];W[na];B[sd];W[oa])
(;B[ne];W[sd]))
(;B[pa];W[na];B[ra];W[sb];B[sd];W[oa])
(;B[sd];W[ra])
(;B[sc];W[ra])
(;B[sb];W[sc]
(;B[sd];W[sa])
(;B[ra];W[sa]C[Ko.])))
(;B[rc];W[qa]))
(;B[rc];W[qb])
(;B[rb];W[qb])
(;B[ne];W[rb])
(;B[na];W[rb])
(;B[kc];W[rb]))