Normal sudoku rules apply. Cells separated by a knightâs move (in chess) cannot contain the same digit. Along the thermometer digits must increase from the bulb end. The blue tetrominoes contain the same 4 digits.
Normal sudoku rules apply. Cells separated by a knightâs move (in chess) cannot contain the same digit. Along the thermometer digits must increase from the bulb end. The blue tetrominoes contain the same 4 digits.