(;GM[1]FF[4]SZ[19]
GN[Weaker protection by ladder]
PC[http://senseis.xmp.net/?LargeBambooJoints]AP[GoWiki:2009]
DT[2010-11-09]
C[Diagram from http://senseis.xmp.net/?LargeBambooJoints

Weaker protection by ladder]
PL[W]

AB[ch][dh][ck][dk]
AW[ei]
LB[ah:b][ak:a]

;W[di]C[W1]MN[1]
;B[ci]C[B2]MN[2]
;W[cj]C[W3]MN[3]
;B[bj]C[B4]MN[4]
;W[dj]C[W5]MN[5]
;B[bl]C[B6]MN[6]
;W[bi]C[W7]MN[7]
;B[ai]C[B8]MN[8]
;W[bh]C[W9]MN[9]
;B[bg]C[B10]MN[10]

;LB[ah:b][ak:a]
)
