(;GM[1]FF[4]SZ[19]
GN[Attack from south]
PC[http://senseis.xmp.net/?TwoLiberties]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TwoLiberties

Attack from south]
PL[W]

AB[ca][da][cb][db][cc][dc][dd]
AW[ea][bb][eb][bc][ec][cd][ed]

;W[de]C[W1]MN[1]
;B[ba]C[B2]MN[2]
;W[aa]C[W3]MN[3]

;
)
