Normal sudoku rules apply. A clue outside the grid indicates the sum of the first digits from that side. The number of digits to count is (X-1) or (X+1) where X is the digit in the first cell from that side.
Normal sudoku rules apply. A clue outside the grid indicates the sum of the first digits from that side. The number of digits to count is (X-1) or (X+1) where X is the digit in the first cell from that side.