Logic Masters Deutschland e.V.

Rules:

Normal Sudoku rules apply. Place the digits 1-9 once each in every row, column, and 3x3 box.

-Digits on the dark green tree outline alternate between even and odd.
-Adjacent digits on light green garlands have differences of at least five.
-Digits on red garlands read the same backward and forward.

-Ornaments separate consecutive digits.
-The partridge on the parity tree separates digits in a 2:1 ratio. The two partridge digits also sum to the same parity as the digit in the tree's star.

To Play:
SudokuPad