(;GM[1]FF[4]SZ[19]
GN[Original solution]
PC[https://senseis.xmp.net/?GokyoShumyoSection6Problem72/Solution]AP[GoWiki:2009]
DT[2023-01-22]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection6Problem72/Solution

Original solution]
PL[W]

AB[cb][dc][hc][ic][cd][hd][kd][fe][ke][df][ff][if][jf][gg][hg]
AW[eb][ec][gc][kc][lc][ed][gd][id][jd][gf][hf]
LB[gb:a]

;W[he]C[W1]MN[1]
;B[ge]C[B2]MN[2]
;W[hb]C[W3]MN[3]
;B[ib]C[B4]MN[4]
;W[ie]C[W5]MN[5]
;B[jc]C[B6]MN[6]
;W[ia]C[W7]MN[7]
;B[je]C[B8]MN[8]
;W[ka]C[W9]MN[9]

;LB[gb:a]
)
