(;GM[1]FF[4]SZ[19]
GN[Ko?]
PC[https://senseis.xmp.net/?GokyoShumyoSection6Problem17/Solution]AP[GoWiki:2009]
DT[2023-01-24]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection6Problem17/Solution

Ko?]
PL[W]

AB[db][jb][ec][gc][dd][id][jd][fe][he][ff][hf][eg]
AW[cb][hb][cc][dc][hc][hd][ce][de][ge][dg][dh]

;W[fb]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[da]C[W3]MN[3]
;B[fc]C[B4]MN[4]
;W[ea]C[W5]MN[5]
;B[gb]C[B6]MN[6]
;W[ga]C[W7]MN[7]

;
)
