(;GM[1]FF[4]SZ[19]
GN[White plays first]
PC[http://senseis.xmp.net/?BasicEndgameTheory]AP[GoWiki:2009]
DT[2017-04-11]
C[Diagram from http://senseis.xmp.net/?BasicEndgameTheory

White plays first]
PL[W]

AB[ba][db][cc][ec][cd]
AW[ab][bb][cb][bc][bd]
SQ[aa][ba]

;W[da]C[W1]MN[1]
;B[ea]C[B2]MN[2]
;W[ca]C[W3]MN[3]

;SQ[aa][ba]
)
