(;GM[1]FF[4]SZ[19]
GN[Corner sequence]
PC[http://senseis.xmp.net/?BQM561]AP[GoWiki:2009]
DT[2012-02-10]
C[Diagram from http://senseis.xmp.net/?BQM561

Corner sequence]
PL[B]

AB[dd][cf]
AW[cb][fc]

;B[fd]C[B1]MN[1]
;W[ec]C[W2]MN[2]
;B[gd]C[B3]MN[3]
;W[hc]C[W4]MN[4]

;
)
