(;AB[db]AB[dc]AB[ec]AB[cd]AB[bd]AW[dd]AW[ed]AW[fc]AW[fb]AB[gb]AB[gc]AW[gd]AW[fe]AW[he]AB[hd]AB[id]AB[ic]AB[jc]AW[jb]AB[kb]AB[ka]AB[lb]AW[la]AW[mb]AW[lc]AW[kc]AW[md]AW[jd]AW[je]C[W to play at A or tenuki at TFORCE]LB[lf:T]LB[fa:A]AW[nb]AP[goproblems]
(;W[fa]C[Any further play here was unnecessary, except maybe in the late endgame])
(;W[lf];B[ga]C[don't play e19!]
(;W[fa];B[ma]AW[nb]
(;W[ja];B[ib];W[la];B[ia]
(;W[hb];B[kb])
(;W[kb];B[hb])
(;W[na]))
(;W[ib]C[RIGHT])
(;W[hb];B[ib])
(;W[ia];B[ib]))
(;W[eb];B[ea])))