Should we make a "sandbox sandbox" (it is like this one) so that new threads can be examined to prevent duplicates?
I'm sorry that this thread (ironically) may be a duplicate thread.
User wrote:
Miscellaneous syntheses
http://conwaylife.com/forums/viewtopic.php?f=12&t=5701
http://conwaylife.com/forums/viewtopic.php?f=12&t=5678 (non-trivial syntheses)
http://conwaylife.com/forums/viewtopic.php?f=12&t=5107 (synthesis challenges)
http://conwaylife.com/forums/viewtopic.php?f=2&t=4746 (synthesis from loafers, wrongly in patterns forum)
http://conwaylife.com/forums/viewtopic.php?f=2&t=1618 (invalid synthesis)