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

Intertwined ladder]
PL[B]

AB[en][fn][do][eo][cp][gp][cq][dq][eq][fq]
AW[em][cn][dn][co][fo][go][dp][ep][fp]

;B[ho]C[B1]MN[1]
;W[gn]C[W2]MN[2]
;B[fm]C[B3]MN[3]
;W[fl]C[W4]MN[4]
;B[gm]C[B5]MN[5]
;W[hn]C[W6]MN[6]
;B[in]C[B7]MN[7]
;W[hm]C[W8]MN[8]
;B[gl]C[B9]MN[9]
;W[gk]C[W10]MN[10]

;
)
