(;GM[1]FF[4]SZ[5:6]
GN[Three groups with two eyes each]
PC[http://senseis.xmp.net/?DougsGoBlog]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DougsGoBlog

Three groups with two eyes each]
PL[B]

AB[ca][da][cb][eb][dc][ec][ad][bd][ae][ce][bf][cf]
AW[aa][ba][bb][ac][bc][cc][cd][dd][ed][de][df][ef]


;
)
