(;AB[pb]AB[ob]AB[qc]AB[rc]AB[rd]AB[qe]AB[qf]AB[rf]AB[pf]AB[of]AB[mf]AB[nf]AB[mb]AB[lb]AB[mc]AW[qb]AW[rb]AW[sb]AW[re]AW[qd]AW[pc]AW[pd]AW[pe]AW[ne]AW[md]AW[le]AW[kb]AW[kc]AW[lc]C[Capture the marked stones]TR[pd]TR[pc]TR[pe]TR[qd]AP[goproblems]
(;B[nd]C[]
(;W[nc]
(;B[od];W[oe]
(;B[me];W[oc]
(;B[nd];W[od];B[nb]C[Thats itRIGHT])
(;B[nb];W[nd]))
(;B[oc];W[me])
(;B[nb];W[oc]
(;B[nd];W[me])
(;B[me];W[nd])))
(;B[oe];W[od];B[oc];W[nd])
(;B[oc];W[od];B[oe];W[nd])
(;B[me];W[od]
(;B[oe];W[nd])
(;B[oc];W[nd])))
(;W[me]C[White should play here in sente];B[oe]C[White will tenuki leaving P16 as a threat];W[od]LB[kg:Ko]
(;B[kg];W[nc])
(;B[oc])))
(;B[od];W[oe]
(;B[nd];W[me])
(;B[me];W[nd]))
(;B[me];W[nd]TR[od]TR[oe])
(;B[oe];W[od]
(;B[me];W[nd])
(;B[oc];W[nd])
(;B[nc];W[nd])
(;B[nd];W[nc];B[oc];W[nd]))
(;B[oc];W[nd])
(;B[nc];W[nd]))