Codoku
Sudoku in many box shapes — 2×3, 3×4, 4×4 and more.
How to play
Sudoku with varied box shapes. Fill in so each row, column and box holds every number exactly once.
111513681659104971216121581148165113121014115914951181337214136310151181214172165151072113111281312161191015811439101652121011157313514121313121694118161365123121051511761161016127152911631439116141615131321931481051115