(;GM[1]FF[4]SZ[19]
GN[Passive answer]
PC[http://senseis.xmp.net/?BQM173]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM173

Passive answer]
PL[B]

AB[eb][ec][dd][ce]
AW[cc][fc][fd][be][dg][fg][bh]
LB[fb:a]

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

;LB[fb:a]
)
