(;GM[1]FF[4]SZ[19]
GN[ladder]
PC[https://senseis.xmp.net/?EnclosureB446333Ladder]AP[GoWiki:2009]
DT[2021-05-18]
C[Diagram from https://senseis.xmp.net/?EnclosureB446333Ladder

ladder]
PL[B]

AB[ab][cb][fb][ac][ec][fc][ad][cd][dd][ae][be][bf][bg][ch][bi][ci]
AW[aa][ba][da][bb][eb][bc][cc][dc][bd][ed][ce][cf][cg][bh][dh]

;B[de]C[B26]MN[26]
;W[ee]C[W27]MN[27]
;B[df]C[B28]MN[28]
;W[dg]C[W29]MN[29]
;B[ef]C[B30]MN[30]
;W[ff]C[W31]MN[31]
;B[eg]C[B32]MN[32]
;W[eh]C[W33]MN[33]

;
)
