(;GM[1]FF[4]SZ[19]
GN[Black kills]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem56/Solution]AP[GoWiki:2009]
DT[2023-01-10]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem56/Solution

Black kills]
PL[B]

AB[ab][cb][ib][bc][ic][cd][gd][hd][be][de][fe]
AW[ba][bb][db][hb][cc][dc][ec][gc]

;B[fb]C[B1]MN[1]
;W[fc]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[hc]C[W4]MN[4]
;B[ha]C[B5]MN[5]
;W[ga]C[W6]MN[6]
;B[fa]C[B7]MN[7]
;W[eb]C[W8]MN[8]
;B[ca]C[B9]MN[9]

;
)
