(;GM[1]FF[4]SZ[19]
GN[Black kills]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem69/Solution]AP[GoWiki:2009]
DT[2023-01-09]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem69/Solution

Black kills]
PL[B]

AB[eb][gc][hc][jc][dd][be][ce][de][ie][ff][hf][ci]
AW[db][dc][ec][bd][cd][fd][gd]

;B[bb]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[ab]C[B3]MN[3]
;W[ad]C[W4]MN[4]
;B[cb]C[B5]MN[5]
;W[cc]C[W6]MN[6]
;B[fb]C[B7]MN[7]
;W[da]C[W8]MN[8]
;B[ba]C[B9]MN[9]

;
)
