(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
AW[jf][jg][hh][ih][kh][lh][hi][li][fj][gj][mj][nj][hk][jk][lk][fl][gl][hl][jl][ll][ml][nl][im][km][hn][in][kn][ln]AB[ie][je][ke][gf][hf][lf][mf][eg][gg][ig][kg][mg][fh][jh][nh][ei][gi][ii][ji][ki][mi][oi][dj][hj][ij][kj][lj][ek][fk][gk][ik][kk][mk][nk][ok][il][kl][em][gm][hm][jm][lm][mm][om][fn][jn][nn][eo][go][io][jo][ko][mo][oo][ip][kp]KK[^Bestiary^Hatsuyoron^Nakade^Symmetry]
(;B[jj]
;W[jl]
(;B[jk]
;W[jl]
;B[ji]
(;W[jh]
(;B[ij]
(;W[hj]
;B[kj]
;W[lj]
;B[jk]
;W[il]
;B[kl]
;W[kk]
;B[ii]
;W[ki]C[sooner or later, White must play here , or else it becomes "eye against no eye" (me ari me nashi)]
;B[jj]
;W[ik]
;B[jj]C[Flowery six : white is dead])
(;W[jj]
(;B[kj]
;W[jk]
;B[hj]
(;W[ii]
;B[ki]
;W[ik]
;B[hj]
;W[kl]
;B[]C[this shape is already dead])
(;W[ki]
;B[lj]
;W[ii]C[still only one eye]
;B[fi]
;W[ik]
;B[hj]
;W[kk]
;B[lj]))
(;B[jk]C[noir doit maintenir la symétrie, sinon...]
;W[kj]
;B[hj]
;W[ik]
;B[kk]
;W[kl]
;B[fi]
;W[ii]
;B[hj]C[Là, blanc vit])))
(;B[kj]
;W[lj]
;B[ij]
;W[hj]C[same result]))
(;W[jj]
;B[jh]
;W[ii]
;B[lj]
;W[kj]
;B[hj]
;W[ij]C[White is already dead]
;B[]
;W[jk]
;B[]
;W[il]
;B[kl]C[only one eye]
;W[ki]
;B[jh]))
(;B[fm]
;W[jk]C[this shape is alive,  but it is not so obvious against some attacks]
;B[ji]C[the strongest attack]
(;W[jh]C[This symetrical move is the only one giving life]
;B[il]
(;W[kl]
(;B[kj]
;W[lj]
;B[jj]
;W[hj]
;B[ij]
;W[ik]
;B[ki]C[seki])
(;B[ij]
;W[hj]
;B[kj]
;W[lj]
;B[jj]
;W[ik]C[same seki]))
(;W[ik]
;B[kl]
;W[kk]
;B[jj]C[cette forme est morte]))
(;W[jj]C[the other symetrical move fails, as there is still no eye neither left nor right]
;B[il]
;W[kl]
;B[jh]
;W[hj]
;B[kj]
(;W[lj]
;B[kf]
;W[ki]
;B[ik]C[blanc est mort])
(;W[ki]
;B[lj]C[failure again]))
(;W[il]C[it is usually a bad idea to break the symetry]
(;B[jh]
(;W[jj]C[failure : there is no eye on the right side:]
(;B[kl]
(;W[lj]
;B[kk])
(;W[kk]
;B[lj]))
(;B[kj]C[mais ce genre de coup en donne un]
;W[lj]
;B[ij]
;W[hj]
;B[kf]
;W[ii]
;B[if]
;W[ki]C[un exemple des vies difficile à trouver dans ce labyrinthe]))
(;W[kl]C[seems logical , but]
;B[kj]
;W[jj]
;B[ki]C[white is dead]))
(;B[kl]C[mais ce coup donne la vie]
;W[jh]
(;B[kj]
;W[kk]
;B[ij]
;W[jj]
(;B[ii]
;W[ki]C[alive])
(;B[ki]
;W[hj]C[alive here too]))
(;B[ij]
;W[hj]
;B[kj]
;W[lj]
(;B[jj]
;W[kk]C[always the same seki])
(;B[kk]
;W[jj])
(;B[lo]
;W[jj]
(;B[mn]
;W[ii]C[Two eyes])
(;B[ii]
;W[kk])))))))
(;B[fm]
;W[jj]C[ this shape lives easily]
;B[jh]
;W[ji]
;B[hj]
;W[ij]))
