(;AW[an]AW[am]AW[bm]AW[bl]AW[cl]AW[ck]AW[dl]AW[el]AW[fl]AW[gk]AW[hk]AW[hl]AW[hm]AB[gl]AB[gm]AB[hn]AB[gn]AB[fn]AB[fo]AB[dn]AB[cm]AB[bn]AB[bo]AB[ao]AB[fk]AB[fj]AB[gj]AB[gi]AB[hi]AB[hj]AB[ej]AB[dj]AB[di]AB[dh]AB[eh]AB[ci]AB[bi]AB[bj]AB[aj]AW[ah]AW[bh]AW[ch]AW[dg]AW[eg]AW[ce]AW[ee]AW[ff]AW[ei]AW[fi]AW[fh]AW[gh]AW[gg]AW[hh]AW[ij]AW[ii]AW[jj]AW[jk]AW[jl]AW[jm]AW[ig]AW[if]AW[hf]AW[he]AW[jf]AW[ai]LB[ai:1]C[Black to play.]LB[al:A]LB[ak:B]LB[bk:C]LB[dk:D]LB[dm:E]AP[goproblems]
(;B[cj]C[NOTTHIS])
(;B[ek]C[NOTTHIS])
(;B[em]C[NOTTHIS])
(;B[fm]C[NOTTHIS])
(;B[dm];W[ak]
(;B[em];W[bk]C[One eye beats no eye.])
(;B[fm];W[bk]C[One eye beats no eye.])
(;B[cj];W[bk])
(;B[dk];W[bk])
(;B[ek];W[bk])
(;B[bk]C[White can play this way to get a ten thousand year ko. Black would have been better off just making a seki.]))
(;B[dk];W[bk]
(;B[dm];W[ak])
(;B[em];W[ak])
(;B[fm];W[ak])
(;B[cj];W[ak])
(;B[ek];W[ak])
(;B[ak]C[Actually, white can tenuki here.];W[ek]))
(;B[bk];W[ek]
(;B[cj];W[dk])
(;B[dk];W[cj])
(;B[al];W[dk]
(;B[ak];W[cj])
(;B[cj];W[ak])
(;B[dm];W[cj])
(;B[em];W[cj])
(;B[fm];W[cj]))
(;B[dm];W[cj]
(;B[fm];W[dk])
(;B[em];W[dk]))
(;B[em];W[dk]
(;B[dm];W[cj])
(;B[fm];W[cj]))
(;B[fm];W[cj]
(;B[em];W[dk])
(;B[dm];W[dk])))
(;B[al];W[bk]
(;B[dm];W[ak])
(;B[em];W[ak])
(;B[fm];W[ak])
(;B[ek];W[ak])
(;B[dk];W[ak])
(;B[cj];W[ak])
(;B[ak];W[ek]
(;B[fm];W[dk])
(;B[em];W[dk])
(;B[dm];W[dk])))
(;B[ak];W[bk]LB[dm:A]
(;B[al]C[NOTTHIS];W[ek]
(;B[fm];W[dk])
(;B[em];W[dk])
(;B[dm];W[dk]))
(;B[cj]C[NOTTHIS])
(;B[dk]C[NOTTHIS];W[ek])
(;B[ek]C[NOTTHIS])
(;B[fm]C[NOTTHIS])
(;B[em]C[NOTTHIS])
(;B[dm];W[cj]LB[em:A]
(;B[al];W[dk])
(;B[ek];W[dk])
(;B[dk];W[ek])
(;B[fm]C[NOTTHIS])
(;B[em];W[ek]LB[fm:A];B[fm]C[Seki. Good job.RIGHT]))))
