A Sudoku puzzle is a nine-by-nine grid of cells, and the grid is devided into nine smaller three-by-three regions.

The rules are simple: each cell gets one numeral--1, 2, 3, 4, 5, 6, 7, 8, or 9--and no numeral may be repeated in any row, column, or three-by-three region.

This means that all nine numerals will be represented in every row, in every column, and in every region. So, let's get started!