(;GM[1]FF[4]SZ[19]
GN[Black to make ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem29]AP[GoWiki:2009]
DT[2023-01-21]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem29

Black to make ko]
PL[B]

AB[bb][jb][lb][bc][gc][kc][cd][ed][fd][id][jd][ce][ge]
AW[gb][hb][ib][cc][dc][ec][fc][jc][bd]


;
)
