(;GM[1]FF[4]SZ[19]
GN[solution?  B6 at W1]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem61/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem61/Attempts

solution?  B6 at W1]
PL[B]

AB[ba][db][ib][cc][dc][jc][lc][dd][ed][id][jd][ee][fe][ge][he][je]
AW[ca][da][ab][cb][eb][bc][ec][hc][ic][cd][fd][gd][hd][ce][ie][df][gf][hf][if]

;B[fc]C[B1]MN[1]
;W[fb]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[gc]C[W4]MN[4]
;B[hb]C[B5]MN[5]
;W[fc]C[W6]MN[6]
;B[fa]C[B7]MN[7]

;
)
