(;GM[1]FF[4]SZ[19]
GN[Good for Black]
PC[http://senseis.xmp.net/?ShapeProblem3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShapeProblem3

Good for Black]
PL[B]

AB[dc][ec][ed][be][ce][ee][df][dg]
AW[cb][cc][cd][dd][de][bf][cf][ef]

;B[bg]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[cg]C[B3]MN[3]
;W[ae]C[W4]MN[4]
;B[ff]C[B5]MN[5]

;
)
