Normal sudoku rules apply. Along thermometers, digits must increase from the bulb end. In cages, digits must sum to the small clue in the top left corner of the cage. Cells separated by an X must contain digits summing to 10. Cells separated by a white dot must contain consecutive digits. Cells separated by a black dot must contain digits in a ratio of 1:2. Not all possible dots/Xs are given. The cell with a grey circle contains an odd digit. The cell with a grey square contains an even digit.