(;GM[1]FF[4]SZ[19]
GN[White is alive]
PC[http://senseis.xmp.net/?PaperAndPencilGo]AP[GoWiki:2009]
DT[2009-05-22]
C[Diagram from http://senseis.xmp.net/?PaperAndPencilGo

White is alive]
PL[B]

AB[da][db][ac][bc][cc][dc]
AW[ca][ab][bb][cb]

;B[aa]C[B1]MN[1]
;W[ba]C[W2]MN[2]

;
)
