(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
AW[aa][ba][ca][ha][ia][ja][ma][oa][pa][ra][sa][ab][bb][jb][kb][mb][rb][sb][ac][cc][dc][gc][hc][jc][kc][mc][pc][qc][sc][cd][dd][id][ld][md][nd][sd][be][ee][ie][ke][me][re][bf][ef][ff][pf][rf][ag][hg][jg][lg][rg][sg][ch][dh][fh][ih][kh][mh][ph][qh][ai][bi][di][ki][mi][ri][si][aj][bj][ij][lj][oj][rj][sj][ek][gk][jk][kk][lk][mk][nk][qk][rk][sk][dl][il][ll][ol][pl][rl][sl][dm][gm][im][jm][km][mm][sm][cn][fn][on][qn][rn][bo][go][oo][cp][dp][ip][jp][kp][mp][np][rp][aq][dq][pq][ar][br][cr][fr][gr][ir][lr][as][bs][cs][ds][es][fs][gs][hs]AB[fa][ga][ka][fb][gb][lb][bc][ic][lc][oc][rc][ad][bd][ed][fd][hd][jd][kd][pd][qd][rd][de][ge][oe][se][cf][gf][nf][fg][nh][rh][ci][ei][li][qi][cj][ej][gj][jj][kj][mj][nj][qj][ak][ck][dk][ik][ok][el][jl][nl][ql][lm][nm][rm][ln][sn][lo][ap][bp][lp][cq][eq][fq][gq][hq][kq][dr][er][hr][is][js]KK[^Bestiary^Hatsuyoron^Nakade^Puzzles]
(;W[bq]
;B[cq]
;W[cr]
;B[kr]
(;W[jr]
;B[mr]
;W[lq]
;B[mq]
(;W[or]
;B[ls]
;W[lq]
;B[ml]
(;W[mn]
;B[kl]
;W[lk]
;B[lj]
;W[ll]
;B[pk]C[of course, one can start  on the left side too]
(;W[pj]
;B[sh]
;W[rk]
(;B[qk]
;W[ri]
;B[rj]
;W[sj]
;B[ni]
;W[oh]
;B[mg]
;W[lh]
;B[pb]
(;W[qb]
;B[qa]
;W[qb]
(;B[hk]
(;W[hj]
;B[gl]
;W[fk]
;B[fl]
;W[hl]
;B[fj]
;W[dj]
;B[bk]
(;W[bm]
;B[eh]
;W[eg]
;B[gg]
(;W[gh]
;B[dg]
(;W[cg]
;B[bh]
(;W[bg]
;B[ah]
;W[bi]
;B[fe]
(;W[df]
;B[dg]
;W[ef]
(;B[eg]C[The best resistance, forcing another 6 stones sacrifice (this has been shown to me by Motoki Noguchi)]
;W[df]
;B[da]C[the last trap]
(;W[db]C[this last sacrifice is  necessary in this case]
;B[cb]
;W[bb]
(;B[hb]
(;W[ib]
;B[ic]
;W[ib]
;B[jc]
;W[jb]
(;B[fc]
;W[kb]
;B[kc]
;W[la]
;B[gd]
;W[hc]
;B[gc]
;W[je]
;B[hc]
;W[ja]
;B[ba]
;W[ab]
;B[qc]
;W[ra]C[Black has no munitions left])
(;B[eb]
;W[je]
;B[kc]
;W[la]))
(;W[la]
;B[ib]
;W[ec]
;B[fc]))
(;B[ba]
;W[ab]C[not a ko]
;B[ca]
;W[ae]))
(;W[cb]C[If White refuses the sacrifice]BM[1]
;B[fc]
(;W[ib]
;B[db]
;W[eb]
;B[ea]C[blackis alive]
(;W[ce]
;B[ec]
;W[ee]C[but is not])
(;W[ec]
;B[ce]))
(;W[db]
;B[hb]
(;W[la]
;B[ib])
(;W[ib]
;B[ic]
;W[ib]
;B[jc]
;W[jb]
;B[gd]
;W[hc]
;B[kb]C[Black lives in this case])))
(;W[ae]BM[1]
;B[fc]
;W[ib]
;B[db]C[alive]))
(;B[df]
;W[eg]
;B[da]C[the last trap]
;W[cb]C[In this case, the sacrifice is not necessary]BM[1]
;B[fc]
;W[ib]
;B[db]
;W[eb]
;B[ea]C[black looks alive  lives]
;W[ce]
(;B[ec]
;W[ee]C[but is not])
(;B[ee]
;W[ec]C[idem ; next, back to the main sequence]
;B[hb]
;W[la])))
(;W[ce]
;B[df]))
(;W[df]
;B[ah]))
(;W[bh]
;B[fe]
;W[cg]
;B[df]
;W[ef]
;B[eg]C[alive]))
(;W[df]
;B[gh]))
(;W[bh]
;B[bm]
;W[am]
;B[an]
;W[bn]
;B[al]
(;W[ao]
;B[cl]C[alive])
(;W[cl]
;B[bq]
(;W[br]
;B[ao]C[connected])
(;W[ao]
;B[br]C[or alive in the corner]))))
(;W[fk]
;B[ii]
;W[hi]
;B[hj]
;W[ji]
;B[kk]
;W[ij]C[ko]
;B[mk]
;W[ll]
;B[ii]C[which white cannot win])
(;W[ii]
;B[gl]
;W[fk]
;B[fl]
;W[hl]
;B[hj]
;W[dj]
;B[fj]C[One true eye]))
(;B[qc]C[doesnt change anything,  but could induce a mistake]
(;W[ra]
;B[ob]
;W[od])
(;W[rb]
;B[ob]
;W[od]
;B[na]
;W[pe]
;B[ra]C[this corner lives])))
(;W[ob]
;B[qb]
;W[od]
;B[pe]
;W[pc]
;B[qa]))
(;B[rl]
;W[qk]
;B[nk]
;W[rj]
;B[ri]
;W[pi]))
(;W[oi]C[doesnt work, in spite of appearances.]
;B[sh]
;W[rk]
;B[ri]
(;W[qk]
;B[rl]
;W[pj]
;B[nk]
;W[sk]
;B[sj]
;W[pi]
;B[sl])
(;W[rl]
;B[qm]
(;W[qk]
;B[om])
(;W[pm]
;B[qk])))
(;W[sh]
;B[oi]C[vivant]))
(;W[kl]
;B[nn]C[alive]))
(;W[mn]
;B[or]C[alive]))
(;W[iq]
;B[mr]
;W[lq]
;B[mq]
;W[or]
;B[ls]
;W[lq]
;B[jr]C[alive])
(;W[lq]
;B[iq]C[alive]))
(;B[]
;W[jr]
;B[bq]C[the corner is alive]
;W[kr]C[even if everything else dies]))