(;AW[ib]AW[jc]AW[kc]AW[kd]AB[ic]AB[jd]AB[je]AB[ke]AB[le]AB[ld]AB[lc]AB[lb]AW[cd]AW[ec]LB[lb:1]C[how to handle black 1?]AP[goproblems]
(;W[hc];B[id]
(;W[jb]C[RIGHT])
(;W[kb];B[ka];W[jb]C[bad shape for white])
(;W[ja];B[ka]C[bad shape for white])
(;W[ia];B[jb])
(;W[ka]C[];B[jb];W[kb];B[hb]
(;W[ja];B[gc]C[white should not leave this ladder as aji])
(;W[ia];B[gc]C[bad for white])))
(;W[jb];B[hc]C[black gets a key point])
(;W[kb];B[ka];W[jb];B[hc]C[good for black])
(;W[hb];B[jb])
(;W[ja];B[hc]C[good for black])
(;W[ka];B[hc]C[good for black])
(;W[id];B[hc])
(;W[hd];B[jb])
(;W[gc];B[jb]))