(;GM[1]FF[4]SZ[19]
GN[The WC stones are alive, but the WX stones are dead since black can encircle them within an orbit by playing at the triangled points.]
PC[http://senseis.xmp.net/?Orbit]AP[GoWiki:2009]
DT[2009-10-13]
C[Diagram from http://senseis.xmp.net/?Orbit

The WC stones are alive, but the WX stones are dead since black can encircle them within an orbit by playing at the triangled points.]
PL[B]

AB[ba][ia][bb][hb][bc][hc][cd][dd][ed][fd][gd]
AW[da][cb][db][fb][gb][ec]
CR[da][cb][db]
TR[fa][ga][eb][dc]
MA[fb][gb][ec]


;CR[da][cb][db]
TR[fa][ga][eb][dc]
MA[fb][gb][ec]
)
