(;GM[1]FF[4]SZ[19]
GN[If White extends]
PC[http://senseis.xmp.net/?BQM469]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM469

If White extends]
PL[B]

AB[ec][ed][ee][af][df][ef][bg][cg][bh]
AW[dc][bd][dd][de][bf][cf][dg][ch][ci]
LB[ce:a][ff:c][bi:b]

;B[dh]C[B10]MN[10]
;W[eg]C[W11]MN[11]
;B[di]C[B12]MN[12]
;W[cj]C[W13]MN[13]
;B[dj]C[B14]MN[14]
;W[ck]C[W15]MN[15]
;B[fg]C[B16]MN[16]
;W[eh]C[W17]MN[17]
;B[fi]C[B18]MN[18]

;LB[ce:a][ff:c][bi:b]
)
