(;GM[1]FF[4]SZ[13]
GN[Diagram 2.  Best sequence for Black]
PC[http://www.go4go.net/]
AP[GoWiki:2009]
DT[2017-06-10]
C[Diagram from http://www.go4go.net/

Diagram 2.  Best sequence for Black]
PL[B]

AB[ba][da][fa][ga][ha][la][ab][bb][cb][db][hb][dc][ec][fc][gd][hd][id][jd][ld][ce][de][ee][fe][je][ke][le][cf][gf][hf][kf][mf][ag][bg][cg][dg][hg][ig][kg][lg][dh][hh][ih][lh][mh][ci][di][ei][fi][gi][aj][bj][dj][hj][ij][ck][dk][fk][ik][fl][il][jl][kl][ll][ml][em][fm][gm][jm]
AW[ea][ia][eb][fb][ib][jb][kb][lb][mb][ac][bc][cc][gc][hc][ic][kc][mc][ad][cd][dd][ed][fd][kd][md][be][ge][he][ie][af][bf][ef][if][jf][eg][fg][gg][jg][eh][fh][gh][jh][hi][ii][ji][ki][li][mi][ej][fj][gj][jj][lj][ek][hk][jk][kk][lk][mk][al][bl][cl][dl][el][gl][hl][dm][hm][im]

;B[gb]C[B1]MN[1]
;W[gk]C[W2]MN[2]
;B[ka]C[B3]MN[3]
;W[ff]C[W4]MN[4]
;B[lm]C[B5]MN[5]

;
)
