(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[http://senseis.xmp.net/?BasicEndgameTheory]AP[GoWiki:2009]
DT[2017-03-26]
C[Diagram from http://senseis.xmp.net/?BasicEndgameTheory

Black first]
PL[B]

AB[ba][da][ab][bb][cb][db][bc][dc][bd][dd]
AW[ea][eb][ec][ed][ae][be][ce][de][ee]
CR[ac]

;B[ad]C[B1]MN[1]
;W[cd]C[W2]MN[2]

;CR[ac]
)
