(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[https://senseis.xmp.net/?LeatherScrollProblem18/Solution]AP[GoWiki:2009]
DT[2023-02-11]
C[Diagram from https://senseis.xmp.net/?LeatherScrollProblem18/Solution

White to move]
PL[W]

AB[bb][cb][dc][dd][be][de]
AW[db][eb][ec][ed][ee][cf][df][bg][ch]
LB[ca:a]

;W[bd]C[W1]MN[1]
;B[ce]C[B2]MN[2]
;W[ae]C[W3]MN[3]
;B[af]C[B4]MN[4]
;W[ad]C[W5]MN[5]
;B[bf]C[B6]MN[6]
;W[cc]C[W7]MN[7]
;B[bc]C[B8]MN[8]
;W[ag]C[W9]MN[9]

;LB[ca:a]
)
