Sudoku by Craig

Controls

• You can select an input square with the mouse.
• Number keys, backspace and delete can be used to edit the entry of the selected (orange) square.
• Use arrows to move the selected square. Square will wrap around in the same row/column when it reaches end of puzzle.
• Press "s" to move the selected square to the right; square will move down one row when reaches end of current row.
• Press "a" to move the selected square to the left; square will move up one row when reaches end of current row.