or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku number entry mode and a shading mode to manage the shape inventory.)
Theme: Offset Frame
Author/Opus: This is the 418th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Sudoku rules. Also, there are some numbered shapes that must be put into the grid. Shapes can be rotated, but cannot be reflected.
Difficulty: 4 stars
Time Standards (highlight to view): Grandmaster = 8:30, Master = 13:00, Expert = 26:00