Normal sudoku rules apply. (Place the digits 1-9 exactly once in each row, column and box.) Digits must not repeat along either of the main diagonals. Along a grey thermometer, digits increase from the bulb end.
Normal sudoku rules apply. (Place the digits 1-9 exactly once in each row, column and box.) Digits must not repeat along either of the main diagonals. Along a grey thermometer, digits increase from the bulb end.