(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem1/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem1/Attempts

]
PL[B]

AB[db][cc][dc][bd]
AW[eb][ec][cd][dd][fd][be][cf]

;B[bb]C[B1]MN[1]
;W[ad]C[W2]MN[2]
;B[ac]C[B3]MN[3]

;
)
