Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Along thermometers, digits must increase from the bulb end. Grey lines (without circles) are palindromes ie the digits in both tips are equal.
Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Along thermometers, digits must increase from the bulb end. Grey lines (without circles) are palindromes ie the digits in both tips are equal.