(;GM[1]FF[4]SZ[19]
GN[Parallel ladders example]
PC[http://senseis.xmp.net/?TurnaroundLadder]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TurnaroundLadder

Parallel ladders example]
PL[W]

AB[bb][cb][gb][bc][ec][gc][ic][bd][dd][fd][be][de][ee][cf][cg][ch]
AW[db][eb][fb][cc][dc][fc][cd][gd][ce][ge][bf][bg][bh]

;W[fe]C[W1]MN[1]
;B[ed]C[B2]MN[2]
;W[df]C[W3]MN[3]

;
)
