Logic Masters Deutschland e.V.

Warning: This puzzle is a little tricky! Read the rules carefully.

Fill every cell with single unsigned decimal digits.
Digits may not repeat in any row, column, or possible inset contiguous 3x3 box.
Digits in killer cages sum to the value given in the corner.
Digits on black kropki dots share a ratio of 1:2.
Digits along thermometers must increase from bulb to tip.
White rectangles are X or V clues, implying the digits sharing that edge sum to 5 or 10.

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If you find yourself confused, perhaps try out this example puzzle until you are no longer confused.