Logic Masters Deutschland e.V.

The Sudoku Christmas tree is being prepared.
The green leaves, the red tree itself, and the blue planter all have digits summing to the same value.
The leaves sum to 4 times the sum of the roots digits in the planter (light yellow).

Thermometers have digits increasing from the bulb, and provide candles for the tree.
Standard Sudoku, Killer and Little Killer rules apply (cages do not have repeated digits, diagonals may have).
A square in a cell indicates an even digit.

Solve the puzzle online at F-Puzzles.