(;GM[1]FF[4]SZ[9]
GN[W2 elsewhere]
PC[http://senseis.xmp.net/?IntroExercise4/Answer]AP[GoWiki:2009]
DT[2010-12-07]
C[Diagram from http://senseis.xmp.net/?IntroExercise4/Answer

W2 elsewhere]
PL[B]

AB[ca][cb][ib][dc][ic][cd][ed][fd][gd][hd][id]
AW[da][ga][ha][db][eb][hb][ec][fc][gc][hc]
LB[fa:a][fb:b]

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

;LB[fa:a][fb:b]
)
