(;GM[1]FF[4]SZ[19]
GN[Alternative solution]
PC[https://senseis.xmp.net/?GokyoShumyoSection4Problem92/Solution]AP[GoWiki:2009]
DT[2023-01-01]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection4Problem92/Solution

Alternative solution]
PL[W]

AB[eb][gb][cc][dc][fc][gc][jc][kc][lc][cd][hd][id][fe][ge][he]
AW[fb][ib][jb][ec][hc][ic][dd][ed][fd][gd][jd][je][df][ef][if][gg]
LB[fa:a]

;W[ha]C[W1]MN[1]
;B[ga]C[B2]MN[2]
;W[ff]C[W3]MN[3]

;LB[fa:a]
)
