(;AW[kb]AW[lc]AW[ld]AW[le]AW[me]AW[nd]AW[nc]AW[nb]AW[na]AW[oc]AW[pd]AW[pe]AW[oe]AB[nf]AB[ne]AB[pf]AB[qe]AB[qd]AB[pc]AB[pb]AB[ob]AB[md]AB[mc]AB[mb]AB[ma]C[Capture all the marked stones]TR[na]TR[nb]TR[nc]TR[nd]TR[oc]TR[oe]TR[pe]TR[pd]AP[goproblems]
(;B[oa];W[lb]C[RIGHT];B[od]C[RIGHT])
(;B[of];W[lb]
(;B[od];W[la]C[You can do better])
(;B[oa];W[la])))