Normal Sudoku Rules apply. Every row, column and marked region in the puzzle must contain the digits 1-9 exactly once.
Additional Rules:
Global Entropy: Group the digits 1-9 into low(123), middle(456), and high(789) digits. Every 2x2 cell group in the puzzle must contain at least one digit of each group.
X-Sums: Digits on the outside of a row or column indicate the sum of the first n digits, n being the first digit in that row or column
XV: Digits joined with a V sum to 5.
Solution code: row 5
on 16. March 2024, 15:48 by NotThatKindOfDoctor
This was tricky for me, but never felt out of reach. Some of the key deductions brought so much joy! Loved it, great puzzle!
on 16. March 2024, 15:05 by AParliamentofOwls
@sujoyku Thank you! I discovered that I really like X-Sum and Entropy together, it's very fun :)
on 16. March 2024, 00:45 by dingledork
Really enjoyable puzzle, thanks!
on 15. March 2024, 17:44 by sujoyku
Thank you for this nice global entropy puzzle, AParliamentofOwls! I was stuck at a few times (usually missing a little 2x2 here and there), but I immensely enjoyed the interaction of entropy with the X-sums. Thank you for setting and sharing!