(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[https://senseis.xmp.net/?LeatherScrollProblem109]AP[GoWiki:2009]
DT[2023-02-13]
C[Diagram from https://senseis.xmp.net/?LeatherScrollProblem109

White to move]
PL[W]

AB[ai][ck][dk][ek][cl][bm][dm][cn][dn][bo][eo][bp][ep][dq][eq][ar][dr]
AW[bi][ei][aj][cj][fj][bk][bl][dl][el][gl][em][en][gn][co][do][ap][cp][dp][gp][bq][cq][fq][br][fr][bs]
LB[er:a][ds:b]


;LB[er:a][ds:b]
)
