Logic Masters Deutschland e.V.

Normal sudoku rules apply.

Any two cells separated by a knight's move (in chess) cannot contain the same digit.

Digits on thermos must increase from the bulb.

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The Tools

Palindrome = Digits must read the same from both directions of the grey line

Cage = Digits cannot repeat inside the cage

Arrow = Digits on arrow must sum to the digit in the arrows circle

Between Line = Digits along the line must be between the circles of the line

All 4 tools have the same sum (counting all the cells of the tool combined)

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Link to puzzle