(;GM[1]FF[4]SZ[19]
GN[corner]
PC[http://senseis.xmp.net/?BQM559]AP[GoWiki:2009]
DT[2012-01-23]
C[Diagram from http://senseis.xmp.net/?BQM559

corner]
PL[W]

AB[fc][dd]

;W[cc]C[W1]MN[1]
;B[cd]C[B2]MN[2]
;W[bd]C[W3]MN[3]
;B[cb]C[B4]MN[4]

;
)
