Normal sudoku rules apply. Digits on an arrow sum up to the digit in the circle of that arrow. Clues outside the grid indicate the sum of the digits along the indicated diagonal. Digits can repeat along such a diagonal.
Normal sudoku rules apply. Digits on an arrow sum up to the digit in the circle of that arrow. Clues outside the grid indicate the sum of the digits along the indicated diagonal. Digits can repeat along such a diagonal.