(;GM[1]FF[4]SZ[19]
GN[ko 2]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem30/Solution]AP[GoWiki:2009]
DT[2023-01-21]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem30/Solution

ko 2]
PL[W]

AB[db][hb][cc][gc][hc][ic][cd][fd][gd][de][ee][fe]
AW[bb][cb][ib][jb][bc][jc][bd][hd][jd][ce][ge][he][cf][df][ef][ff][jf]
LB[ec:a]

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

;LB[ec:a]
)
