Logic Masters Deutschland e.V.

Mystery Killer N

This puzzle appeared on CtC on Feb 20, 2022.

Rules:

1. Standard: Normal sudoku rules apply.

2. Standard killer with unknown totals: Cells in cages must sum to the small clue in the top left corner of the cage (if given). Cages with clue N sum to the same total N, which is to be deduced by the solver.

3. Standard little killer: Cells along indicated diagonal must sum to the total given.

4. Kropki without negative constraint: Cells separated by a white dot are consecutive. All possible dots are not given.

5. Standard palindrome: Lines in the grid are palindromes, which must read the same forwards and backwards.

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