This diagram shows a group of 53 stones. Up to now, that's the best solution found, here on SL and at some other places.
I fail to see the necessity of, say, the marked stones. Dieter
Example
In above diagram marked black stone is taken way. White can now capture some black stones...
Dieter: Yes, very deceptive ...
Sub-pages (up)Attempts
Referenced byConstructionProblem1