(;GM[1]FF[4]SZ[19]
GN[ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem8/Solution]AP[GoWiki:2009]
DT[2023-01-01]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem8/Solution

ko]
PL[W]

AB[ab][bc][ec][fc][hc][bd][ce][de]
AW[bb][db][eb][cc][cd]
LB[ac:a][be:b]

;W[ca]C[W1]MN[1]
;B[dc]C[B2]MN[2]
;W[aa]C[W3]MN[3]

;LB[ac:a][be:b]
)
