(;GM[1]FF[4]SZ[19]
GN[Variation 1: the ladder]
PC[http://senseis.xmp.net/?DoubleThreatLadderMaker]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleThreatLadderMaker

Variation 1: the ladder]
PL[B]

AB[eb][fb][ec][dd][pd][de]
AW[cc][dc][fc][gc][cd][ed]
CR[fc][gc][dd][de]

;B[fd]C[B1]MN[1]
;W[ee]C[W2]MN[2]
;B[gd]C[B3]MN[3]

;CR[fc][gc][dd][de]
)
