Logic Masters Deutschland e.V.

Rules:

• Sudoku: Place digits 1-9 once each into each row, column, and box.


• Kropki Cats:
  One cell in each row, column, and box is a Kropki Cat cell.
  Each Kropki Cat cell contains a different digit.
  The value of a Kropki Cat cell has a Kropki relationship with the digit (not value) from the rotationally opposite cell in the grid.
  In other words, the Kropki Cat cell's value is either consecutive with the Kropkied digit, or its value is in a 2:1 or 1:2 ratio with the Kropkied digit.


• Wrapping X-Sums:
  Clues outside the grid are X-Sum clues which indicate the sum of values of the first X cells in the row/column counting from the clue's side of the grid, where X is the value in the first cell (closest to the clue).
  If X is greater than 9, then the summing wraps around back to the first cell in the row/column and continues until X cells have been summed.
  If X is not an integer, then after summing Floor(X) cells, the remaining fraction is accounted for by taking that fraction of the value from the next cell.

Play Online:

     sudokupad: Kropki Cats

Solution code: values of Kropki Cat cells in reading order.
To represent non-integer values, use decimal notation (for example, 0.5 for one half)

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