(;GM[1]FF[4]SZ[19]
GN[Ladder ko]
PC[http://senseis.xmp.net/?LadderKo]AP[GoWiki:2009]
DT[2018-07-14]
C[Diagram from http://senseis.xmp.net/?LadderKo

Ladder ko]
PL[B]

AB[da][ea][bb][cb][db][fb][ac][bc][ec][cd][fd][gd][ce][de]
AW[aa][ba][gb][ib][cc][dc][fc][gc][ic][bd][dd][ed][be][ee][bf][cg][ci]
LB[eb:a][gg:b]

;B[ef]C[B1]MN[1]

;LB[eb:a][gg:b]
)
