(;GM[1]FF[4]SZ[19]
GN[Best ko?]
PC[http://senseis.xmp.net/?KyuExercise122/Attempts]AP[GoWiki:2009]
DT[2011-12-27]
C[Diagram from http://senseis.xmp.net/?KyuExercise122/Attempts

Best ko?]
PL[B]

AB[ea][fa][eb][fb][cc][dc][bd][cd][ae]
AW[ha][db][gb][hb][ec][fc][gc][dd][ed][be][ce][de][bf][ag][bg]
CR[db]

;B[da]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[bb]C[B3]MN[3]
;W[ad]C[W4]MN[4]
;B[ab]C[B5]MN[5]

;CR[db]
)
