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

Cutting points]
PL[W]

AB[gf][if][jg]
AW[ie][jf]

;W[hf]C[W1]MN[1]
;B[hg]C[B2]MN[2]
;W[ig]C[W3]MN[3]
;B[ih]C[B4]MN[4]

;
)
