(;GM[1]FF[4]SZ[21:19]
GN[Three stage ko]
PC[http://senseis.xmp.net/?Shinkenjoe/drafts]AP[GoWiki:2009]
DT[2017-08-05]
C[Diagram from http://senseis.xmp.net/?Shinkenjoe/drafts

Three stage ko]
PL[B]

AB[ca][na][cb][db][nb][ob][dc][ec][oc][pc]
AW[ha][oa][qa][sa][gb][hb][pb][rb][sb][fc][gc][qc][rc]
CR[da][eb]
LB[pa:a]

;B[ea]C[B1]MN[1]
;B[fb]C[B3]MN[3]
;B[ga]C[B5]MN[5]
;B[fa]C[B7]MN[7]

;CR[da][eb]
LB[pa:a]
)
