Logic Masters Deutschland e.V.

This puzzle is a killer sudoku with extra conditions on the red and green cells.

Normal sudoku rules apply.

The areas surrounded by dotted lines are killer sudoku cages. They may not contain repeated digits, and the digits in the contained cells add to the number in the top left corner.

Any two orthogonally adjacent green cells cannot contain consecutive digits.

Any two red cells that are knight's move away from each other may not contain the same digit.

You can play this puzzle at F-Puzzles. I hope you enjoy!