(;AB[hb]AB[gb]AB[hc]AB[hd]AB[id]AB[jd]AB[kd]AB[kc]AB[kb]AB[ld]AW[lc]AW[lb]AW[md]AW[ma]AW[na]AW[me]AW[nc]AB[he]AW[je]AW[ke]AW[le]AW[ie]AW[hf]AW[gf]AW[gc]AW[fc]AW[fb]AW[ed]AW[ig]C[How should white attack?]AW[eb]AP[goproblems]
(;W[ka];B[jb]
(;W[ic];B[ga]
(;W[ia];B[ja];W[ib]C[Only seki..])
(;W[ib];B[ia]C[:S])
(;W[ja];B[ia]C[:S]))
(;W[ib];B[ia]C[:S]TR[ic]TR[ga])
(;W[ja];B[ia]C[:S]TR[ic]TR[ga])
(;W[ia];B[ja]C[:S])
(;W[ga];B[ia];W[ic]C[Well done! ;)RIGHT])
(;W[ha];B[ga]C[:S])
(;W[fa];B[ga]C[:S]))
(;W[jb];B[ib]
(;W[ja]
(;B[jc]
(;W[ka];B[ia]C[:SCHOICE]TR[la]TR[ga])
(;W[ia];B[ka]C[:S])
(;W[ha];B[ia]C[:S])
(;W[ga];B[ka]C[:S]))
(;B[ka]C[:SCHOICE]TR[jc]TR[ga]))
(;W[ka];B[jc]
(;W[ja];B[ia]C[:S]TR[la]TR[ga])
(;W[ia];B[ha]C[:S])
(;W[ga];B[ja]C[:S]))
(;W[jc];B[ja]C[:S])
(;W[ia];B[jc]
(;W[ka];B[ha]C[:S])
(;W[ja];B[ka]C[:S]))
(;W[ga];B[ja]C[:S]TR[ha]TR[jc]))
(;W[ja];B[jb]
(;W[ka];B[ia]C[:S]TR[ic]TR[ga])
(;W[ia];B[ka]C[:S])
(;W[ib];B[ic]
(;W[ka];B[ia]C[:S])
(;W[ia];B[ka]C[:S]))
(;W[ic];B[ka]C[:S])
(;W[ga];B[ka]C[:S])
(;W[ha];B[ka]
(;W[ia];B[ga]C[:S])
(;W[ga];B[ia]C[:S])
(;W[ib];B[ga])))
(;W[ia];B[jb]
(;W[ka];B[ja]C[:S])
(;W[ja];B[ka]C[:S])
(;W[ga];B[ha]C[:S])
(;W[ib];B[ic]C[:S])
(;W[ha];B[ga]C[:S])
(;W[ic];B[ib]C[:S]))
(;W[ib];B[jb]
(;W[ia];B[ic]C[:S])
(;W[ic];B[ia]C[:S]TR[ka]TR[ga])
(;W[ka];B[ia]C[:S]TR[ic]TR[ga])
(;W[ga];B[ia]C[:S]TR[ic]TR[ka])
(;W[ja];B[ic]
(;W[ia];B[ka]C[:S])
(;W[ka];B[ia]C[:S])))
(;W[ga];B[jb]
(;W[ia];B[ha]C[:S])
(;W[ha];B[ia]C[:S]TR[ic]TR[ka])
(;W[ka];B[ia];W[ic]C[Well done! ;)RIGHT])
(;W[ja];B[ka]C[:S])
(;W[ib];B[ia]C[:S]TR[ic]TR[ka])
(;W[ic];B[ka]
(;W[ha];B[ia]C[:S])
(;W[ib];B[ia]C[:S])
(;W[ia];B[ha];W[ib]C[Only seki..])))
(;W[ha];B[ga]C[]
(;W[ia];B[ib]
(;W[ja];B[ka]C[:S])
(;W[ka];B[ja]C[:S]))
(;W[ja];B[ia]
(;W[ka];B[jb]C[:S])
(;W[jb];B[ka]C[:S]))
(;W[jb];B[ia]
(;W[ka];B[ib]C[:S])
(;W[ja];B[ka]C[:S])
(;W[ib];B[ka]C[:S]))
(;W[ib];B[ia]C[:S])
(;W[ka];B[ja]
(;W[jb];B[ib]
(;W[ia];B[jc]C[:S])
(;W[la];B[jc]C[:S]))
(;W[ia];B[jb]C[:S])
(;W[ib];B[jb]C[:S]))))