(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem15/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem15/Attempts

]
PL[B]

AB[bb][fb][cc][dc][ec][cd]
AW[ab][gb][bc][gc][bd][dd][fd][ce][de]
CR[ab]
LB[ba:a][ac:b][be:c]

;B[ca]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[aa]C[B3]MN[3]

;CR[ab]
LB[ba:a][ac:b][be:c]
)
