(;GM[1]FF[4]SZ[19]
GN[corner]
PC[http://senseis.xmp.net/?posting=10942]AP[GoWiki:2009]
DT[2017-04-24]
C[Diagram from http://senseis.xmp.net/?posting=10942

corner]
PL[B]

AB[dc][cd][cg]
AW[cc][dd][de]
LB[db:b][ec:a]

;B[cb]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[bd]C[B3]MN[3]

;LB[db:b][ec:a]
)
