Which famous setter's discovery could possibly be needed to solve this Sudoku?
-) Irregular Sudoku rules apply (the digits 1-9 appear once each in every row/colum/region)
-) German Whispers rules apply (adjacent digits along a green line have a difference of at least 5)
-) Killer Cage rules apply (digits within a cage sum to the small digit in its top left corner, if given)
-) Little Killer rules apply (clues outside the grid give the sum of the indicated diagonal, digits may repeat on that diagonal, if allowed by other rules)
Solve online: f-puzzles
Solution code: Row 5 (left to right) + column 5 (top down), no extra characters
on 18. October 2021, 16:22 by Playmaker6174
Lovely and beautiful interactions all over the place, some certain points were quite challenging but really worth my efforts :)
on 18. October 2021, 16:08 by cdwg2000
Very nice!