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

Joseki]
PL[B]


;B[ec]C[B1]MN[1]
;W[cd]C[W2]MN[2]
;B[jc]C[B3]MN[3]
;W[de]C[W4]MN[4]
;B[gd]C[B5]MN[5]

;
)
