(;GM[1]FF[4]SZ[19]
GN[key move]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem46/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem46/Solution

key move]
PL[B]

AB[cb][gb][cc][dc][gc][fd][gd][ce][fe][df][ef]
AW[db][eb][hb][ec][fc][ic][ed][ee][ge][ie][ff][gf]

;B[fa]C[B1]MN[1]

;
)
