(;GM[1]FF[4]SZ[19]
GN[Sacrificing the stone (White in overconcentration danger)]
PC[http://senseis.xmp.net/?BQM584]AP[GoWiki:2009]
DT[2014-04-26]
C[Diagram from http://senseis.xmp.net/?BQM584

Sacrificing the stone (White in overconcentration danger)]
PL[B]

AB[dd][cf]
AW[fc][jd]

;B[hc]C[B1]MN[1]
;W[he]C[W2]MN[2]
;B[kc]C[B3]MN[3]
;W[jc]C[W4]MN[4]
;B[jb]C[B5]MN[5]
;W[ib]C[W6]MN[6]
;B[kb]C[B7]MN[7]
;W[ic]C[W8]MN[8]

;
)
