(;GM[1]FF[4]SZ[19]
GN[Expand into the center]
PC[http://senseis.xmp.net/?posting=3378]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=3378

Expand into the center]
PL[B]

AB[fc][cd][pd]
AW[hc][kc]

;B[mc]C[B1]MN[1]
;W[ke]C[W2]MN[2]

;
)
