(;GM[1]FF[4]SZ[19]
GN[Difference]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem43/Solution]AP[GoWiki:2009]
DT[2023-01-12]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem43/Solution

Difference]
PL[W]

AB[bb][cc][dc][cd][ce]
AW[fb][fc][dd][ed][bf][cf][df][ff]
LB[bg:a][bh:a]

;W[ac]C[W1]MN[1]
;B[be]C[B2]MN[2]
;W[ae]C[W3]MN[3]
;B[ad]C[B4]MN[4]
;W[bd]C[W5]MN[5]
;B[ab]C[B6]MN[6]
;W[ca]C[W7]MN[7]
;B[bc]C[B8]MN[8]
;B[af]C[B10]MN[10]

;LB[bg:a][bh:a]
)
