(;GM[1]FF[4]SZ[19]
GN[Two stage ko]
PC[http://senseis.xmp.net/?BeginnerExercise114/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise114/Solution

Two stage ko]
PL[W]

AB[bb][cc][ad][bd][cd][ce][af][bf][ag]
AW[ba][cb][db][dc][dd][ee][cf][df][bg][ah][bh]
CR[aa][bb]
LB[ae:b][be:a]

;W[ab]C[W1]MN[1]
;B[ac]C[B2]MN[2]
;W[bc]C[W3]MN[3]

;CR[aa][bb]
LB[ae:b][be:a]
)
