Logic Masters Deutschland e.V.

Rules: Normal Sudoku / Normal Variant rules apply.

Normal: Place the digits 1 to 9 once each in every row, column, and 3x3 box.

Kropki Dots – Digits on black dots are a 2:1 ratio.

Kropki Dots – Digits on white dots are consecutive.

Palindrome – Digits on grey lines repeat forward to backward, e.g. 123321.

XV – Digits separated by an X sum to 10. Digits separated by a V sum to 5. Not all XV clues are given.

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Play with SudokuPad