(;GM[1]FF[4]SZ[19]
GN[Seems ok]
PC[http://senseis.xmp.net/?BQM530]AP[GoWiki:2009]
DT[2011-02-04]
C[Diagram from http://senseis.xmp.net/?BQM530

Seems ok]
PL[W]

AB[dc][ch]
AW[cf]

;W[ed]C[W1]MN[1]

;
)
