(;GM[1]FF[4]SZ[19]
GN[Hoshi approach]
PC[http://senseis.xmp.net/?BQM524]AP[GoWiki:2009]
DT[2010-12-27]
C[Diagram from http://senseis.xmp.net/?BQM524

Hoshi approach]
PL[W]

AB[ce]

;W[dd]C[W1]MN[1]

;
)
