(;GM[1]FF[4]SZ[19]
GN[alive in sente]
PC[http://senseis.xmp.net/?KyuExercise53/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise53/Attempts

alive in sente]
PL[W]

AB[ca][bb][eb][fb][cc][dc][ec][bd]
AW[da][ea][fa][db][gb][fc][hc][dd][fd][be][ce][de][df]

;W[ac]C[W1]MN[1]
;B[ad]C[B2]MN[2]
;W[ab]C[W3]MN[3]
;B[aa]C[B4]MN[4]
;W[ba]C[W5]MN[5]
;B[cb]C[B6]MN[6]
;W[ga]C[W7]MN[7]
;B[bc]C[B8]MN[8]

;
)
