Also he discovered on the same day this totally diagonal reflection symmetric 51-bit orphan variante which sets a new record with only 107 needed defined cells.
As usual the challenge remains: Can you find a smaller one --- i.e. proving that your example has no predecessor in Game of Life and has fewer living cells or fewer total number of cells as any orphan? YES
Overview of current, 2009-12-01, standings for Garden of Eden and Orphans record holding attributs:
|fewest number of living cells||47|
|fewest number of totally needed cells||107|
|smallest rectangular bounding box||11x11 , 12x10|
|lowest density of living cells||0.409|