(;GM[1]FF[4]SZ[19]
GN[White to kill]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem62/Solution]AP[GoWiki:2009]
DT[2023-01-05]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem62/Solution

White to kill]
PL[W]

AB[bb][db][bc][ec][dd][ed][id]
AW[cb][eb][fb][bd][fd][hd][ce][fe][df][ch]

;W[ca]C[W1]MN[1]
;B[ef]C[B2]MN[2]
;W[fg]C[W3]MN[3]
;B[fc]C[B4]MN[4]
;W[gb]C[W5]MN[5]
;B[cc]C[B6]MN[6]
;W[ea]C[W7]MN[7]

;
)
