🔵 Odd Sudoku

📖 How to play Odd Sudoku

1. The sudoku rules apply: 1 through 9 with no repeats in each row, column, and 3x3 box.
2. In addition, the shaded squares (marked with a circle) can only hold odd numbers: 1, 3, 5, 7, or 9.
3. Unshaded squares can hold any number. Each puzzle has a unique solution.

💡 Tip: use the odd squares as a filter; in a row with several shaded squares, the even numbers (2, 4, 6, 8) are forced into the regular squares.