(;GM[1]FF[4]SZ[19]
GN[Protecting the corner]
PC[http://senseis.xmp.net/?Imagist/Problem6Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Imagist/Problem6Solution

Protecting the corner]
PL[W]

AB[ec][fc][bd][cd][dd]
AW[gc][hc][ed][fd][be][ce][de][ge]
LB[ea:c][bb:b][dc:a]

;W[eb]C[W1]MN[1]
;B[db]C[B2]MN[2]
;W[fb]C[W3]MN[3]

;LB[ea:c][bb:b][dc:a]
)
