The popular puzzle involves filling a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called “boxes,” “blocks,” or “regions”) contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which presents a challenge to the solver.
This type of puzzle offers mental stimulation and can contribute to cognitive skills development. Its origins can be traced back to earlier number placement puzzles, but its modern form gained widespread popularity in the late 20th and early 21st centuries, becoming a global phenomenon.
The following sections will elaborate on the rules, strategies, and techniques essential for solving this intriguing number placement game. These elements are fundamental to achieving a successful resolution of the puzzle.
