(;GM[1]FF[4]SZ[19]
GN[Wedge and ladder issue]
PC[https://senseis.xmp.net/?44PointLowApproachHighExtensionInvasion]AP[GoWiki:2009]
DT[2020-04-22]
C[Diagram from https://senseis.xmp.net/?44PointLowApproachHighExtensionInvasion

Wedge and ladder issue]
PL[W]

AB[dd][df]
AW[fc][jd]
LB[kd:a]

;W[hd]C[W1]MN[1]
;B[id]C[B2]MN[2]
;W[ic]C[W3]MN[3]
;B[ie]C[B4]MN[4]
;W[hb]C[W5]MN[5]
;B[jc]C[B6]MN[6]
;W[gc]C[W7]MN[7]
;B[ib]C[B8]MN[8]
;B[hc]C[B10]MN[10]

;LB[kd:a]
)
