Theme: Level Thermometers
Author/Opus: This is the 2nd puzzle from guest contributor Ashish Kumar.
Rules: Standard Thermo-Sudoku rules.
Answer String: Enter the 2nd column from top to bottom, followed by a comma, followed by the 8th column from top to bottom.
Time Standards (highlight to view): Grandmaster = 3:00, Master = 5:30, Expert = 11:00