or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)
Author/Opus: This is the 178th puzzle from Thomas Snyder aka Dr. Sudoku.
Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Enter both digits of any two-digit values. Start with the 5th row, followed by a comma, followed by the 5th column.
Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:00, Expert = 8:00