(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem3/Solution]AP[GoWiki:2009]
DT[2023-01-01]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem3/Solution

Ko]
PL[W]

AB[cc][dc][ec][gc][bd][ce]
AW[cb][db][bc]

;W[ba]C[W1]MN[1]
;B[ac]C[B2]MN[2]
;W[ab]C[W3]MN[3]

;
)
