(;GM[1]FF[4]SZ[19]
GN[Short extension approach]
PC[http://senseis.xmp.net/?ShortExtensions]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShortExtensions

Short extension approach]
PL[W]

AB[dd]
AW[hc]
LB[ec:a]

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

;LB[ec:a]
)
