Place some additional black and white stones on the board such that:
Each stone with a number on it belongs to a chain of that size.
Each chain has exactly 2 liberties.
No 2×2 region is entirely black or entirely white.
Interactive board
(I recommend opening the sgf in an editor such as Sabaki, then you can add stones with the edit tool and the existing labels will not disappear)
Not really what I was talking about, but a nice game anyway.
Too hard for me though: I couldn’t even place a single number!
I looked for the longest chains, but there were still too many options.
I guess it would be easier if there were arrows instead of dots, indicating the direction of the increasing
