(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem21/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem21/Attempts

]
PL[B]

AB[fb][ec][gc][jc][de][fe][he][ie][ef][gf]
AW[db][hb][dc][hc][dd][ed][hd][ee][ge][cf]

;B[jh]C[B1]MN[1]
;W[eb]C[W2]MN[2]

;
)
