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

The empty triangle]
PL[B]

AB[cc][cd]
LB[cb:a][bc:a][dc:a][bd:a][ed:a][ce:a][de:a]

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

;LB[cb:a][bc:a][dc:a][bd:a][ed:a][ce:a][de:a]
)
