(;GM[1]FF[4]SZ[19]
GN[]
PC[https://senseis.xmp.net/?posting=12429]AP[GoWiki:2009]
DT[2024-03-30]
C[Diagram from https://senseis.xmp.net/?posting=12429

]
PL[W]

AB[da][cb][db][bc][cc][ad][bd]
AW[ea][eb][dc][cd][ed][ae][be][ce]
LB[aa:a][ca:b]

;W[ab]C[W1]MN[1]
;B[ba]C[B2]MN[2]
;W[bb]C[W3]MN[3]
;B[ac]C[B4]MN[4]

;LB[aa:a][ca:b]
)
