(;GM[1]FF[4]SZ[19]
GN[Good for Black]
PC[http://senseis.xmp.net/?BQM459]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM459

Good for Black]
PL[W]

AB[ba][ab][cb][db][dc]
AW[bb][ac][bc][cc][cd][dd]
CR[ab]

;W[aa]C[W1]MN[1]
;B[ca]C[B2]MN[2]

;CR[ab]
)
