(;GM[1]FF[4]SZ[19]
GN[Further Variation]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem90/Solution]AP[GoWiki:2009]
DT[2022-09-29]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem90/Solution

Further Variation]
PL[B]

AB[ba][cb][db][fb][jb][ec][fc][hc][ic][kc][bd][cd][dd][ed][ge][he]
AW[ca][ea][fa][ha][bb][eb][gb][hb][ib][bc][cc][dc][gc][gd]
LB[ab:d]

;B[ac]C[B1]MN[1]
;W[aa]C[W2]MN[2]
;B[ad]C[B3]MN[3]

;LB[ab:d]
)
