(;AB[bb]AB[cc]AB[db]AB[ca]AB[ec]AB[fc]AB[gc]AB[jc]AB[jb]AW[jd]AW[kc]AW[ld]AW[md]AW[bc]AW[cd]AW[bd]AW[ed]AW[fd]AW[ae]AW[ac]AW[gd]AW[ie]AW[ic]AW[hd]C[B to connect.]AP[goproblems]
(;B[hb];W[ib];B[ia];W[kb]C[B connected but he loses points. Upper group has less than 7 points.])
(;B[ib];W[hb];B[hc];W[kb]C[B doesn't mind this ko because he can G18 at any time. The top is at least 9 points, plus whatever B gets out of the ko.RIGHT])
(;B[hc];W[ib])
(;B[ha];W[ib];B[ia];W[hb];B[gb];W[kb]C[B connected, but lost a lot on the top.])
(;B[ia];W[hb];B[ha];W[gb];B[ga];W[fb];B[fa];W[eb];B[ea]C[B terrible.])
(;B[kb];W[ib]))