(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem71/Attempts]AP[GoWiki:2009]
DT[2009-05-05]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem71/Attempts

]
PL[B]

AB[kb][cc][ec][kc][ed][id][kd][fe][ge][he][ie][je]
AW[jb][hc][jc][fd][gd][jd][ee][ke][ef][ff][jf][kf][hg]

;B[gc]C[B1]MN[1]
;W[hd]C[W2]MN[2]
;B[ic]C[B3]MN[3]

;
)
