Solve the grid in this hard Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in ...

A Sudoku puzzle consists of a 9x9 grid of squares, broken up into a 3x3 grid of blocks made up of nine squares each. The goal of a puzzle is to fit the numbers 1 through 9 into each of the 81 ...

All puzzles have answers. Some are easy to figure out, like the clues in a newspaper’s Monday crossword, a beginner’s Sudoku grid or cryptogram.

Gould provides sudoku puzzles to more than 300 newspapers worldwide – for free. ... It is estimated that there are 6,670,903,752,021,072,936,960 possible sudoku grids.

Sudoku is a numbers puzzle, although it’s not a math puzzle, per se. In fact, a classic Sudoku grid requires no computation, except in the case of a Sudoku-based game called “Killer Sudoku ...

However, the puzzle in the Jan. 13 edition was reduced from a previous 3x3 -inch square grid, subdivided into nine 1/4-inch boxes, to a very tiny 2x2-inch square grid, subdivided into even smaller ...