(;GM[1]FF[4]SZ[19]
GN[White wins]
PC[https://senseis.xmp.net/?GokyoShumyoSection4Problem16/Solution]AP[GoWiki:2009]
DT[2022-12-29]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection4Problem16/Solution

White wins]
PL[W]

AB[db][eb][fb][dc][bd][cd][be][cf][cg]
AW[cb][cc][ec][fc][gc][ic][dd][ce][de]

;W[bc]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[ad]C[W3]MN[3]
;B[bf]C[B4]MN[4]
;W[ca]C[W5]MN[5]

;
)
