Rules:
1. Normal sudoku rules apply.
2. Normal sandwich sudoku rules apply (clues outside the grid indicate the sum of the numbers sandwiched between 1 and 9 in that row or column).
3. even digits cannot be orthogonally adjacent.
Solution code: Row 7 followed by column 7, no spaces
on 3. October 2020, 11:31 by karen_birgitta
This was a fun one!