Logic Masters Deutschland e.V.

Normal Sudoku rules apply. In addition, identical digits must not appear a knight's move (in chess) apart. Digits within cages sum to the total (where given) in the upper left of the cage. The lines with bulbs are thermometers wherein the digits must increase moving away from the bulb. The lines without bulbs are palindromes, with digits appearing in identical order starting from either end. The cells with circles contain odd digits. The puzzle (colour removed): https://f-puzzles.com/?id=yecro834