(;GM[1]FF[4]SZ[19]
GN[Problem]
PC[http://senseis.xmp.net/?BQM280]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM280

Problem]
PL[B]

AB[eb][ec][ed][ee][cf][df][ef][ch]
AW[bc][dd][be][de]


;
)
