(;GM[1]FF[4]SZ[19]
GN[Black lives]
PC[https://senseis.xmp.net/?L1Group]AP[GoWiki:2009]
DT[2023-12-27]
C[Diagram from https://senseis.xmp.net/?L1Group

Black lives]
PL[B]

AB[cb][cc][bd][cd][be]
AW[db][fb][dc][dd][ce][ee][bf][cf][bh]
LB[da:a][af:b]

;B[bb]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[ab]C[B3]MN[3]

;LB[da:a][af:b]
)
