(;GM[1]FF[4]SZ[9]
GN[]
PC[https://senseis.xmp.net/?TheArtOf9x9Go/R2D04]AP[GoWiki:2009]
DT[2021-01-05]
C[Diagram from https://senseis.xmp.net/?TheArtOf9x9Go/R2D04

]
PL[B]

AB[ff]
LB[dc:b][ec:a]

;W[dd]C[W2]MN[2]
;B[ed]C[B3]MN[3]
;W[df]C[W4]MN[4]

;LB[dc:b][ec:a]
)
