RULES : Classic Sudoku rules apply. Additionally, cells containing grey circles will only contain digits 1, 2 & 3. Cells containing grey squares will only contain digits 4, 5 & 6. Cells containing grey diamonds will only contain digits 7, 8 & 9.
RULES : Classic Sudoku rules apply. Cells with grey circles will contain only odd digits. Cells separated by white dots will contain consecutive digits. Not all possible dots are marked.
RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. If t...