(;GM[1]FF[4]SZ[9:6]
GN[Play-out]
PC[http://senseis.xmp.net/?UnremovableKo]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnremovableKo

Play-out]
PL[B]

AB[ea][ga][bb][db][eb][gb][ib][ac][bc][cc][dc][gc][ic][fd][gd][de][ee][ge][df][ff][gf][hf][if]
AW[ba][ca][fa][ha][cb][fb][hb][ec][fc][hc][ad][bd][cd][dd][ed][hd][be][ce][he][ie][af][cf]
CR[ha][hb][ib][hc][hd][he][ie]
LB[da:a]

;B[ia]C[B1]MN[1]
;W[ab]C[W2]MN[2]
;B[aa]C[B3]MN[3]
;W[id]C[W4]MN[4]

;CR[ha][hb][ib][hc][hd][he][ie]
LB[da:a]
)
