In this puzzle, each row, column and 3x3 region must contain digits from the given list.
For a given digit N, N must appear N times in each house (row/column/region). Within a 3x3 region, all N digits must form a single orthogonally connected area.
See the example with the numbers 2 and 3 :
Here is the puzzle with the digits 3 and 4. Note : Xs can be separated within a region.
You can use Penpa-edit for solving it on your browser.
Solution code: Row 3, followed by column 8.
on 23. November 2020, 02:53 by justnow
Enjoyed this one very much. Not very hard after re-reading rules few times
on 19. June 2020, 17:43 by geronimo92
Sorry but this is not a sudoku at all.....
- I did not create this variant, and the first name I found was "Fillodoku". It does not solve like a sudoku, but was a comination of a sudoku grid and other puzzles. The name can get confusing. -Carrick22