Theme: Boxing Day
Author/Opus: This is the 9th puzzle from guest contributor Ashish Kumar.
Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even.
Answer String: Enter the 6th row from left to right, followed by a comma, followed by the 9th row from left to right.
Time Standards (highlight to view): Grandmaster = 3:15, Master = 5:30, Expert = 11:00