Our World Sudoku Championship playoffs puzzle series continues with this “16”-themed Outside Sudoku by Thomas Snyder.
or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku entry modes and a shading mode to mark off clues.)
Theme: 16th WSC
Author/Opus: This is the 455th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Outside Sudoku rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region. Some numbers are given outside the grid. These numbers must appear in the first three cells in the corresponding direction.
Estimated Difficulty: 2.5-3 stars
Solution: PDF for all playoff puzzles.