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

Mutual good shape]
PL[W]

AB[bb][db][cc][dd][ed]
AW[bc][bd][cd][de][cf]


;
)
