Normal sudoku rules apply. Clues outside the grid equal the Xth digit in their row/column seen from the side of the clue, with X being the 1st digit in their row/column seen from the side of the clue.
Normal sudoku rules apply. Clues outside the grid equal the Xth digit in their row/column seen from the side of the clue, with X being the 1st digit in their row/column seen from the side of the clue.