Normal sudoku rules apply. Grey cells must contain odd digits. Pink cells must contain even digits.In centre box the middle row is is the sum of rows 4 and 6 (using the 3 digits as a single number).
Normal sudoku rules apply. Grey cells must contain odd digits. Pink cells must contain even digits.In centre box the middle row is is the sum of rows 4 and 6 (using the 3 digits as a single number).