(;GM[1]FF[4]SZ[19]
GN[external ko]
PC[http://senseis.xmp.net/?ExternalAndInternalKo]AP[GoWiki:2009]
DT[2011-12-09]
C[Diagram from http://senseis.xmp.net/?ExternalAndInternalKo

external ko]
PL[B]

AB[ba][ca][ea][ab][cb][db][ac][bc][cc]
AW[fa][eb][fb][dc][ec][ad][bd][cd][dd]
SQ[da][ea]


;SQ[da][ea]
)
