Solution code: Enter the number of X's in each row, then each column, yielding 14 digits.
on 5. January 2023, 06:18 by TJReds
penpa link: https://tinyurl.com/2jnppucg
Dang, this was a head crunch. Quite enjoy doing puzzles like these though!
on 5. January 2022, 15:26 by Mark Sweep
Working out all the interactions going through the grid was quite a workout, but very interesting. Thanks!
on 29. December 2021, 03:04 by karencarpenter
That was my revision comment - it means that I renumbered my puzzles (this became #4). :)
on 28. December 2021, 09:01 by Nothere
What does „numbering“ mean?
@karencarpenter: thanks for klarification
on 27. December 2021, 05:38 by karencarpenter
numbering