Each extra region is connected, even if only diagonally.

This one should be slightly easier than the last.

Rules:
Normal Sudoku rules apply.
There are two additional regions marked in blue. Each also contains the digits 1 through 9.
Digits in cells marked with an orange circle are odd.
Digits in cells marked with a green square are even.

Estimated difficulty: 1 out of 5

Solve on SudokuPad
Odds and Ends and Odds and Evens