Normal sudoku rules apply. (ie Place the digits 1-9, once each, into every row, column and 3x3 box). Along a thermometer, digits must increase from the bulb end. Digits along an arrow must sum to the digit in that arrow's circle.
Normal sudoku rules apply. (ie Place the digits 1-9, once each, into every row, column and 3x3 box). Along a thermometer, digits must increase from the bulb end. Digits along an arrow must sum to the digit in that arrow's circle.